FUNMAT PRO 410 3D PRINTER User Manual Version: July 2, 2020
ONTENTS 1 SERVICE AND SUPPORT ................................................................................................................................ 1 1.1 SERVICE ................................................................................................................................................................. 1 1.2 SAFETY INSTRUCTIONS.......................................................................................................................................... 1 1.2.
.1 OVERVIEW ........................................................................................................................................................... 18 4.1.1 STATUS BAR ...................................................................................................................................................................... 19 4.1.2 NAVIGATION BAR ....................................................................................................................................
.4.3 LOAD THE PRINT FILE ....................................................................................................................................................... 45 5.4.4 PRINTING PROCESS .......................................................................................................................................................... 46 5.4.5 SETTING OF PRINTING PARAMETERS..................................................................................................................
7.1 INSPECTIONS BEFORE EACH PRINT ..................................................................................................................... 65 7.1.1 INSPECT THE PRINTING BUILDPLATE ............................................................................................................................... 65 7.1.2 EMPTY THE PRINTING CHAMBER ..................................................................................................................................... 65 7.1.
1 SERVICE AND Support 1 Service and Support The information in terms of service and support for FUNMAT PRO 410, as well as the safety information and safety label position are provided in this chapter. 1.1 Service Please contact INTAMSYS customer support for any problem not covered by this guide during your use of the printer. Region E-mail Tel. Asia Pacific Support_APAC@intamsys.com +86-21-5846 5932 Europe, Middle East and Africa Support_EMEA@intamsys.
1 SERVICE AND SUPPORT [PINCH POINT]: It indicates that you may have a risk to pinch hand between two objects. There are one or multiple objects moving in your working area. 1.2.2 Potential safety hazard area The following components and areas have been highlighted as having potential safety hazard. Failure to follow the safety procedure will cause system fault or problem in reliability.
1 SERVICE AND Support 1.4 Environmental Requirements • • • • The printer is for indoor use only. The condition of air quality with excessive solid particles (conductive or non-conductive) may cause damage to the system. The system operating temperature shall be kept between 15°C and 30°C (59°F to 86°F), and the relative humidity shall be kept between 30% and 70% (non-condensate).
1 SERVICE AND SUPPORT • This equipment complies with FCC/IC RSS-102 radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. • ce matériel est conforme aux limites de dose d'exposition aux rayonnements, FCC / CNR-102 énoncée dans un autre environnement.cette eqipment devrait être installé et exploité avec distance minimale de 20 entre le radiateur et votre corps.
2 SETUP AND Installation 2 Setup and Installation The basic setup and installation of FUNMAT PRO 410 are described in this chapter. 2.1 General Information 2.1.1 Attachment tools Please check the attachment tools in the packing list. These attachment tools are the frequently used tools in printing and spare parts in maintenance of the printer. 2.1.
2 SETUP AND INSTALLATION Figure 2.2 Printer nameplate Model designation: It lists the product name, the model number and power requirement of the printer. The nameplate also lists the related certification information and the company information of INTAMSYS. Serial number: It lists the serial number of the printer, which will be provided to agent or INTAMSYS for requesting services, so that the service personnel can quickly identify the configuration of your printer. 2.2 Machine Preparation 2.2.
2 SETUP AND Installation Figure 2.3 Diagram for package removal 2.2.2 Take out the accessories Step 1: Connect the power cable to the power socket on the back of the printer, and then turn on the power switch besides the power socket to make the power switch in ON (I) position; Step 2: Press the round start button on the right of the panel. Turn to the screensaver mode after the machine is started up. Click any place on the screen to quit the screensaver mode. Figure 2.
2 SETUP AND INSTALLATION 2 1 Figure 2.5 Power switch and startup button 2.2.3 Release the fixation of XY axis Step 1: Press the round start button on the right of the panel to shut down the printer. Gently pull the right side of the front door, open the printer's front door, and then open the top door upwards; Step 2: The fixed block on X axis guideway is used for ensuring the steadiness of the nozzle device during transportation.
2 SETUP AND Installation recommended for easier observation). Step 4: After charging, screw down the screw cap of charge pipe, put the charge pipe back and install the coverplate. Figure 2.7 Position of charging inlet and method to charge 2.2.5 Install the printing buildplate Step 1: In the "Axis" interface, click the key "Home XYZ".
2 SETUP AND INSTALLATION Figure 2.
3 SYSTEM COMPONENTS 3 System Components The system components of FUNMATPRO 410 are described in this chapter, to help users better understanding the composition principle of the printer, and knowing about the functions of each part. 3.1 Overview of the Printer The visible parts of the printer from appearance are shown as following figure.
3 SYSTEM COMPONENTS Mounting screw Back lateral plate Left lateral plate Power interface / Switch Liquid observation window Caster Figure 3.2 Rear view of the printer 3.2 Top Door Subassembly By pushing up the top door, the printing state can be observed, and it is also convenient for the maintenance of XY rack and printing head component. Release the electromagnetic lock to push up the top door, where the top door is supported by air spring.
3 SYSTEM COMPONENTS For USB printing via PC Air spring Figure 3.3 Diagram for top door USB-Disk ON/OFF switch Figure 3.4 Diagram for user operating Area opening angle 3.
3 SYSTEM COMPONENTS weight sensor on each material roll. An alarm will be given on the screen when the weight of materials arelower than the materials required by printing. There is heating device in the material chamber, which can be used for auxiliary drying of material chamber, and the maximum temperature of material chamber can reach up to 70°C. To ensure the dryness of materials, the slide door of material chamber shall be kept in closed state all the time.
3 SYSTEM COMPONENTS Figure 3.8 Nozzle subassembly 3.6 XY Axis Subassembly The XY axis subassembly drives the dual nozzle extruder to move within the XY plane as instructed. Both X axis and Y axis are driven by synchronous belt, which does not require further adjustment as its tensile force has been adjusted to a suitable state when the machine leaves the factory.
3 SYSTEM COMPONENTS Figure 3.10 Adjustment of tensile force of synchronous belt on X axis 3.7 Z Axis Subassembly Z axis subassembly drive the hot bed to move up and down. Z axis subassembly can be maintained by removing the rear lateral plate. The trigger plate of photoelectric sensor has been in its position, no further adjustment by user is required. Only when there is any problem in manual leveling of the hot bed, users may be required to inspect and adjust the position of the trigger plate.
3 SYSTEM COMPONENTS If the printer is to be transport directly by forklift, 2 Skirt plates must be removed first as shown in following figure. Skirt plate Screw a total of 8 pieces Allen wrench Each skirt is fixed with four screws. Unscrew all these 8 screws using Allen wrench, and then take off skirt paltes. Figure 3.
4 USER INTERFACE 4 User Interface 4.1 Overview The main User Interface (UI) of FUNMAT PRO 410 is summarized in this chapter. See Chapter 5 Operation of the Printer for specific information about the printer operation and programs. The printer must be powered on before the use of touch screen. FUNMAT PRO 410 User Interface is composed of the touch screen in the middle of the printer's front side. The main interface of such touch screen contains three main functional areas. Figure 4.
4 USER INTERFACE • • • • • • Ethernet configuration (wired network connection icon) Wifi configuration (wireless network icon) Remote printing service configuration (globe icon) Error diagnosis (E:000) Selection of printing data (combo box) Screen lock (lock icon) 4.1.1 Status bar The status bar is on the top of the touch screen display, appearing on each page of the user interface.
4 USER INTERFACE network No wireless network access Wireless network access Remote printing state Only view of wireless network IP address is available when there is no wireless network access Grey icon indicates the disabled state of remote printing service Blue icon indicates the enabled state of remote printing service Remote printing service Remote printing disabled service enabled Error code Remote user access Rotating blue icon indicates there is remote user access currently Click the icon
4 USER INTERFACE 4.1.2 Navigation bar The navigation bar is displayed on each main page of the User Interface, providing the single touch access to the printer's function of “Print”, “Tune”, “Axis”, “Material” and “System”. The User Interface is decomposed to multiple pages containing the related functions. Selection of one button in the navigation bar will open the page corresponding to such button, where the relevant tasks in the page can be executed.
4 USER INTERFACE or cease the printing, understand how the documents selected to print matches with current configuration of the printer, and view the progress of current printing task and the estimated time remaining. To access the “Print” page, press the “Print” button in the navigation bar. Main state area Auxiliary state area Control area Figure 4. 6 Print page 4.2.
4 USER INTERFACE Figure 4. 8 Setting interface for preheating and heat maintaining Check the Preheat check box to enable the preheating, and check the Maintaining check box to enable the heat maintaining. The default preheating and heat maintaining time is based on the data setting of the material chamber. To adjust the time, use the sliding bar or "+"/"-", and then click "Change time" to bring the time into effect. When the system finds a default, the error code will be displayed in the status bar.
4 USER INTERFACE Temperature of left nozzle Temperature of right nozzle Extension button Buildplate temperature Chamber temperature Figure 4. 10 Auxiliary state area Figure 4. 11 Extension display in auxiliary state area 4.2.3 Control area The control area is used to display the printing progress and control the printing, including open, start, pause, cease and other operations. The status gear will rotate after the printing is started, and will stop rotating when the printing is ceased or paused.
4 USER INTERFACE Figure 4. 12 Control area In the system setting interface, if the Developer mode is enabled, Figure 4. 13 Enable developer mode The control area will be extended to following form: Figure 4. 14 Control area under developer mode Click the status gear to display/hide the command input box. Check the log check box to display and open the Log display area. Figure 4. 15 Log display area Log display can be used for auxiliary default diagnosis.
4 USER INTERFACE may be influenced. 4.3 Tuning Interface The tuning interface is used to tune the printing related parameters. It includes the temperature of left nozzle (L-Nozzle T), temperature of right nozzle (R-Nozzle T), buildplate temperature (Buildplate T), chamber temperature (Chamber T), temperature of material chamber (Filament T), Print Speed, Material flow, speed of left fan (L-Fan Speed), and speed of right fan (R-Fan Speed).
4 USER INTERFACE Step length set area XY axis control area Z axis control area Nozzle control area Stop movement Return XYZ axis to zero Lower buildplate to bottom Coordinates display area Figure 4. 17 Inching interface 4.5 Material Interface The “Material” interface is used for material setting, material loading/unloading, manual/automatic leveling and calibration, and material database management. Figure 4.
4 USER INTERFACE 4.5.1 Nozzle setting area The nozzle setting area is shown as following figure. Click the nozzle icon to switch current nozzle. The nozzle setting area is available for material selection, nozzle temperature setting, material loading/unloading (refer to Chapter 5) and other related operations. Click the "Auto leveling and calibration button" to turn to the auto leveling and calibration interface (refer to Chapter 5).
4 USER INTERFACE The material operation interface is used to edit the material data. The material parameters display area displays all materials, where user can slide up and down to display other materials. After the user clicks the material to be edited, the material editing area will display the parameters of the material selected currently. Click the corresponding text box to change the parameter.
4 USER INTERFACE • • • • • • • • restart: restart the screen after upgrade Firmware upgrade operation area (FW operation): Restart: the button to restart the firmware, i.e. restart the motion control card System setting area: Listen after start: Set to automatically allow the remote access after the system is restarted, or manually click the "Listen" button in remote printing service interface to enbale the service manually.
4 USER INTERFACE • • • • L-Clamper: Calibrate the clamp force of left nozzle R-Clamper: Calibrate the clamp force of right nozzle L-Spooler weight: Set the weight of left spooler R-Spooler weight: Set the weight of right spooler 4.7 Other Interfaces 4.7.1 Remote printing interface The remote printing interface is used to enable the remote printing service. Click the remote printing state in status bar to turn to the interface Figure 4.23 Remote printing state button Figure 4.
4 USER INTERFACE name server) may be input optionally based on the actual conditions. In the test area, user may send Ping package to test the network for successful connection. Figure 4. 25 Wired network IP setting interface After the configuration of IP address, click "Ping" button to test the connection between printer and gateway. The following figure shows the interface of test with successful connection. Figure 4. 26 Interface of successful wired network IP setting test 4.7.
4 USER INTERFACE Figure 4. 27 Wireless network IP setting interface In the wireless network setting interface, click the "Connect" button to turn to the hotspot connection interface shown as following figure to select a Wifi hotspot. Figure 4. 28Wifi hotspot connection interface Click the "discover" button, and discover the Wifi hotspots available for connection. Select the hotspot you want to connect to, and click "connect" button. The system will ask for password. Input the correct password.
4 USER INTERFACE Figure 4. 29 Interface after a wireless network is connected successfully As shown in following figure, select DHCP IP address, and then click "Set IP" button to obtain the dynamic IP address. Alternatively, select Static IP address for static IP mode, and then manually input the IP address to configure as static IP. Figure 4.
4 USER INTERFACE Figure 4.
5 PRINTER OPERATION 5 Printer Operation The basic steps to operate FUNMATPRO 410 are described in this chapter. 5.1 Basic User Operations 5.1.1 Power on the printer To power on the printer: 1. Take out the power cable, and connect the two ends of the cable to AC power supply plug ( 200-240V~50-60Hz) and the printer's power socket respectively (the power socket is located at the lower part on the back of the machine); 2.
5 PRINTER OPERATION 5.1.2 Power off the printer To power off the printer: Press the power button on the front side of the printer (same button for power-on). Please note: this operation only shut down this printer. To completely power off the printer, it must turn the power master switch to the OFF (O) position. ！For long-term idleness of the printer, please disconnect the AC power supply connection of the power cable. 5.
5 PRINTER OPERATION loaded are not included in the options, you may refer to the new material option and add the material type.) Figure 5. 4 Material interface 5. Take off the material roll to be loaded, then pull the roll through the spooler, and put the material roll back. Note: The material coil shall follow the upward coiling out direction, i.e. the tangential direction of coiling out on the upper half part of the material roll, which can ensure a smoother feeding. Figure 5.
5 PRINTER OPERATION temperature before turning to the next step. Please be patient as the target temperature and heating time of different material are different. Step 3: Please install the material. And insert it into extruder. Thread the end of the material through the starved feeding alarm switch, insert it between the auxiliary feeding gears, and insert it in place. Click "Next" when you find the material is being conveyed forward by the gears.
5 PRINTER OPERATION operation. Step 2: Please wait…The nozzle is heating… Firstly, the printer will heat the nozzle for material unloading. Wait until the nozzle is heated to the material unloading temperature before turning to the next step. Step 3: Please wait…The material is retracting… After reaching the unloading temperature, the material will be retracted continuously in high speed. Step 4: Retracting completed. Please take out the material. The material retracting process continues about 90s. 3.
5 PRINTER OPERATION 2. 3. Click each input box respectively to pop up the input keyboard, and then modify the material name and the parameters. After the modification, click "Change", and click the save icon. 5.2.3.
5 PRINTER OPERATION 5. 6. 7. Figure 5. 9 Replacement of nozzle Replace new nozzle, and tighten it with wrench. Long press the "E↓" button until there is material ejected from the nozzle. The replacement is so completed. After the replacement of nozzle, the leveling, XY calibration and Z calibration is required again. 5.3.
5 PRINTER OPERATION 5.3.3 Pause to change material If the printer is printing but the user needs to change the material, the operations are as below: 1. Click the “Pause” button in "Print" interface on the screen, and wait until the movement of the printer's nozzle stops completely; 2. Unload the old material. 3. Load the new material. 4. After the completion of loading, click the “Start” button in "Print" interface on the screen to continue the printing. 5.3.
5 PRINTER OPERATION printing buildplate; 4. Note: PVP glue is recommended as the glue for printing base plater, which shall be evenly applied for at least 4 layers. Do not apply PVP glue directly on hot printing buildplate, as the hot printing buildplate will inactivate PVP glue and weaken its adhesive strength with the base of the printed piece. Wait until the printing buildplate is cooled to near the room temperature and then apply glue. Note: The printing buildplate glass is fragile.
5 PRINTER OPERATION Figure 5. 12 Printer operating panel b. Ftp (network). Input the printer's IP address in the address bar of the PC windows folder, and transmit the G-code file to the printer via network for reading by the printer. Figure 5. 13 Ftp transmission PC interface 5.4.3 Load the print file 1. 2. Select the location of the print file first.
5 PRINTER OPERATION Figure 5. 15 Print files interface 5.4.4 Printing process 5.4.4.1 Main process of printing Click the “Start” button on screen to start the printing. The printing process is divided into three steps: "preheating-printing-heat maintaining". 1. Preheating. Before printing, preheat the printing buildplate and chamber first.
5 PRINTER OPERATION Figure 5. 16 Preheating and heat maintaining interface 5.4.5 Setting of printing parameters During the printing, following processing parameters of the printer may be tuned in the “Tune” interface: temperature of left nozzle (L-nozzle), temperature of right nozzle (R-nozzle), buildplate temperature (Buildplate T), chamber temperature (Chamber T), material chamber temperature (Filament T), Print Speed, Material Flow, speed of left fan (L-Fan Speed), and speed of right fan (R-Fan Speed).
5 PRINTER OPERATION Based on the severity of the alarm, the alarm state button will turn yellow, orange or red. Press the alarm state button to open a dialog box, where the reason of alarm will be indicated. The main body of such dialog box will contain the information related to the alarm reason. In some cases, the alarm will prevent you from starting the printing, and the printer will not execute the printing until the error is corrected.
5 PRINTER OPERATION on screen will be displayed as 100%, indicating the completion of printing. The buildplate and chamber of the printer may be maintained in certain temperature according to the presetting. To remove printed piece from the printer: 1. Unlock the door, and open the front door of the chamber.
5 PRINTER OPERATION 5.5.2 Enable/disable the function of allowing network remote access Listen after start: Set to automatically allow the remote access after the system is restarted. Click the switch on the right side of "Listen after start" in System interface to enbale/disable, where blue indicates function enabled. Alternatively, manually click the "Listen" button in remote printing service interface to enbale it manually. 5.5.
5 PRINTER OPERATION 5.5.6 Lock the front door and cap Door lock enabled refers to enabling the front door and cap lock. Click the switch on the right side of "Door lock enabled" in System interface to enbale/disable, where blue indicates lock enabled. Alternatively, click the lock icon in status bar on screen to enable/disable, where blue indicates lock enabled.
5 PRINTER OPERATION Figure 5. 19 Door lock button interface To protect the safety of user, the printer will lock the front door and cap when it starts printing or the chamber starts heating, and the front door and cap will be unable to be opened. To force unlocking in this process, click the lock button to unlock the front door and cap. Note: After forced unlocking, do not put your hand into the chamber for fear of scald or pinching. 5.5.
5 PRINTER Operation Figure 5. 21 Motor control interface 5.6 Printer State Figure 5. 22 Printer state 5.6.1 Temperature and humidity state The temperature and humidity state of the printer can be viewed in real time on the Print interface.
5 PRINTER OPERATION interface. Wl: Remained weight of left nozzle consumables; Wr: Remained weight of right nozzle consumables. 5.6.4 State of liquid cooling system The state of the liquid coolant in the printer's cooling system can be viewed in real time on the Print interface. TI: Temperature of the liquid coolant in liquid cooler. 5.6.4 Software version Access the software version through the "System" interface.
6 LEVELING and Calibration 6 Leveling and Calibration The methods to level and calibrate FUNMATPRO 410 are described in this chapter. 6.1 Manual Leveling and XYZ Calibration Manual leveling includes the main operations of measuring the 4 points on the buildplate with filler gauge (in 0.
6 LEVELING AND CALIBRATION Table 6.1 Conditions required for manual leveling and XYZ calibration Use condition After replacement of left nozzle Step I: Leveling Step II: Z calibration Step III: XY calibration ● ● ● ● ● After replacement of right nozzle After replacement of new glass buildplate ● Leveling error ● Z calibration error XY calibration error ● ● 6.1.1 Manual leveling 1. 2. 3. 4. 5. Click the “Leveling” icon.
6 LEVELING and Calibration 3. button, and make fine tuning with the "Z↑0.01" / "Z↓0.01" button to the extent that the distance between nozzle and glass just fits the insertion of filler gauge. Press Next button after the tuning; Calibrate the right nozzle with same operation method as the calibration of left nozzle. After the tunning, press "OK" button to finish. 6.1.3 XY calibration 1. Click the “XYcalibrate” icon.
6 LEVELING AND CALIBRATION Figure 6. 2 Method to read XY calibration scale Note: The offset 1 denotes one scale, and the actual offset should be 0.05mm. If after the reading of printed scale, the center line of printed scale range on horizontal or vertical direction have large deviation and other scales are difficult to be coincided, this indicates that the XY deviations have exceeded the measurable range (maximum scale range 15, i.e. 0.75mm).
6 LEVELING and Calibration Figure 6. 3 XY offset calibration interface 6.2 Auto leveling and XYZ calibration Auto leveling, mainly by virtue of the sensor installed on the left nozzle, measures the positions of 3 points on the buildplate, where the printer will determine by itself the relative position of the printing platform glass and the XY motion plane, and make real-time compensation by raising or lowering the Z axis in the process of printing.
6 LEVELING AND CALIBRATION Figure 6. 4 Auto leveling and XYZ calibration interface Use may selectively perform any one or several steps, but the three steps from left to right must be performed in order. The step(s) not required may be skipped by clicking the “Skip” button under such step(s). After different operations, the following table will guide user to selectively perform the step(s) among three. Table 6.2 Conditions required for manual leveling and XYZ calibration (same as Table 6.
6 LEVELING and Calibration (4) Failure of printing caused by error in auto leveling.
6 LEVELING AND CALIBRATION Figure 6. 6 Material calibration interface Steps to calibrate the weight of materials in left and right bin are as below: 1. Click the blue "Wl" / "Wr" icon in Print interface to pop up a dialog box, and take off the material and spooler of left and right bin, and leave only the left and right material roll on the weight sensor; 2. Click "OK" button to complete the calibration; 3.
6 LEVELING and Calibration Figure 6. 7 Press the quick snap joint and pull out the feeding pipe 3. In the “System” interface, click the "Set" on the right side of the “L-Clamper”display box. At this time, the nozzle is switched to left nozzle again, and the clamping value is refreshed to 0. 4. Figure 6. 8 Material calibration interface Insert the clamping value calibration bar between the drive gear and the driven gear along the channel of filament.
6 LEVELING AND CALIBRATION Calibration bar Figure 6. 9 Schematic diagram of calibration 5. The calibration is completed. Cut away the irregular part of the front end of filament with diagonal pliers, place the filament in the left nozzle again, insert the feeding pipe into the quick connector, heat the left nozzle and reload the filament into the left nozzle. Refer to above left nozzle calibration method for the method to calibrate clamping value of right nozzle.
7 MAINTENANCE 7 Maintenance Correct and frequent maintenance not only is beneficial to prolonging the machine's service life, but also greatly improves your printing success rate and printing effect each time. The maintenance tasks that the user is required to perform on Pro410 are described in this chapter. 7.1 Inspections before Each Print Inspections before print can ensure the safety of the printing process, and improve the printing success rate. 7.1.
7 MAINTENANCE foreign matters on the nozzle brush. If most of the brass wire cannot keep upright, the nozzle brush shall be replaced by a new one. As shown in following figure, the position of nozzle brush may be adjusted by up and down adjusting the 4 retaining screws on the nozzle brush support, so as to keep about 1mm of overlapping distance between the nozzle and the brush on Z axis direction. Figure 7. 1 Nozzle brush 7.2.
7 MAINTENANCE Feeding gear Figure 7. 2 Position of feeding gear 7.3.2 Maintenance of moving parts The movement guiding unit of X axis and Y axis is linear guide rail. It is suggest to supplement perfluoropolyether lubricating grease once every 6 months for the linear guide rail(the left and right lateral plateneed to be dismounted to supplement perfluoropolyether lubricating grease for Y axis guideway). The moving parts of Z axis include linear bearing and ball screw.
7 MAINTENANCE Cooling pipe Feeding pipe Figure 7. 3 Position of the feeding pipe and cooling pipe in the rear of chamber 7.3.5 Liquid coolant The water-free liquid coolant of liquid cooler normally has two years of validity period (longer for individual products). When adding, confirm the product is within the validity period and remember to replace the liquid coolant before the expiration date. 7.
8 Troubleshooting 8 Troubleshooting Some modes of trouble likely to occur in the process of printing, and the troubleshooting measures required after the occurrence of each type of trouble are listed in this chapter. Please contact with our customer support in your area for any problem that you meet when following this User Manual for operations. Table 8.
8 TROUBLESHOOTING Error Code 70 Error Name Error Type Maintenance Action 237 Cooling liquid T is too high warning Check liquid T sensor or liquid-cooling compressor 238 Cooling liquid level is too low warning Add liquid / check liquid level sensor 301 L-Nozzle T too high error Check L-Nozzle sensor or heater 302 R-Nozzle T too high error Check R-Nozzle sensor or heater 303 Buildplate T too high error Check buildplate sensor or heater 304 Chamber T too high error Check chamber sen
