coffee wakes up the world Service manual Coffee Machine English 03.02.001 Series 1400 Edition 08.
Table of contents 1 2 2.1 2.2 3 Customer setup Software service info Software service info overview Notes for service info 2.2.1 Where is specific maintenance information displayed?. . . . . . . . . . . . . . . . . . . . . . . . . 2.2.2 Where is cleaning info displayed?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5 5 5 Software machine data 3.1 3.2 Machine data overview 6 submenu counter 6 3.2.1 Maintenance counters overview. . . . . . . . . . . . . . . . . . .
Table of contents 4.9 4.10 4.11 4.12 4.13 Display illumination Grounds container Fan 18 Power status submenu choc dispenser / topping 5 Software service routines 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 Service routines overview First Run up Idling current grinder Filling the boiler Filling the steam boiler Exchanging control battery at F 157 Depressurization Descaling Filter replacement Filter rinse 6. Beverage data 6.1 6.2 Beverage data overview Overview of beverage data main menue.g. cappuccino.
WMF presto Service Manual 1 Customer setup Condition Machine is reset to customer setup Display-guided setup according to brief instructions. Check correct setting of water hardness or descaling filter and range of descaling filter.
WMF presto Service Manual 2 Software service info 2.1 Software service info overview 2.2 Notes for service info 2.2.1 • • • • • Service info Where is specific maintenance information displayed? Setup start date service Date of next maintenance service Next descaling care info descaling Next filter change care Info filter Additional maintenance counters under machine data counters brewer 2.2.
WMF presto Service Manual 3 Software machine data 3.1 Machine data Machine data overview 3.2 submenu counter 3.2.1 Maintenance counters overview Up to software version 3.1.1: The limits of the counters cannot be set. From software version 3.2.1: The limit for customer check-up can be set to 15,000 brewings by KonfigTool. Machine maintenance counters (always valid) Counters relevant to the maintenance information in the brewer menu.
WMF presto Service Manual Mixer maintenance counter Counter relevant to the mixer maintenance information in mixer menu (maintenance message only in Key Operator mode). Mixer maintenance (18,000 cycles) 1 choc cycle counts 3 1 topping cycle counts 1 Grinder maintenance counter Switching off service messages via KonfigTool page service dates (from version 03.02.01) Counter relevant to grinder maintenance in portioner menu (maintenance message only displayed in Key Operator mode).
WMF presto Service Manual 3.3 Last maintenance date submenu The service date does not lead to a maintenance message. Enter maintenance date Set interval for customer check-up After entering service date the following requests are displayed: See chapter Error list 3.4 Temperature submenu Setting range 85- 100°C, default 96° C Setting range 110 to 130° C, default 127° C Changing the steam boiler temperature leads to great changes in the dosage of milk and milk foam. Changes are not recommended.
WMF presto Service Manual 3.5 submenu cleaning Number of cleanings performed and to be performed Number of mixer rinsings performed Number of milksystem cleanings performed Time until request for cleaning/forced cleaning Hardware for foamer rinsing available? Delay in foamer rinsing after last beverage dispensing Switch warning signal before foamer rinsing on/off 3.6 submenu error list Delete individual errors: tap on the line Delete complete error memory: tap C 3.
WMF presto Service Manual 3.8 submenu standards factoryservice/customer After tapping “self-detect” is first run automatically. All components operating on 24 V or 30 V are automatically addressed. The components are automatically identified. During self-detect the grounds container must be in place, the adjustable screen closed or the 24/30 V circuits of the components are interrupted.
WMF presto Service Manual Factoryservice/customer menu 3 Must be set to “no” (not applicable for version >03.02.01) Water tank existent? Drip drain existent? (changes cleaning and descaling ) Table water may not be set, only existent in software versions 3.1.1 and 3.2.1 (was not further pursued and developed) Water tank is automatically detected by nonexistent intake valve (no = water tank machine) (See chapter boiler wwater system) Drain of drip tray must be correctly adjusted manually.
WMF presto Service Manual Safety queries upon acceptance of the variations: The counters should only be reset in exceptional cases. If a portioner was added or set to “decaf” the factory default settings for the beverages should be used. 3.9 submenu Key Operator Key Operator mode If the Key Operator mode has been activated in machine data by the factory or the authorized maintenance point the machine automatically reports the individual components to be prophylactically exchanged due to wear.
WMF presto Service Manual Maintenance messages in Key Operator mode Customer check-up Maintenance after 10,000 / 15,000 brewings Tasks to be performed analogy to customer check-up Reset with C on display counter see machine data w counter w brewer w gasket or Service-maintenance Maintenance after 30,000 brewings The following components are to be replaced: • Brewing unit • Brewing valve • Release valve • Hot water valve • Safety valves Optional: • Cappuccino valve Revision Maintenance after 90,000 brewing
WMF presto Service Manual Maintenance after 6,000 portionings choc Maintenance after 18,000 portionings topping Parts to be replaced: • the mixer unit • the mixer valve Reset with C on display counter see machine data w Counter w Mixer In choc the counter counts 3 units per operation so that the wear limit of both versions is at the counter reading of 18,000.
WMF presto Service Manual 3.10 Additional setting options via laptop (KonfigTool) Page software update • Select company logo • Load selectable languages from the display into the machine (aside from German and English a maximum of five additional languages) • Load predefined machine Page cleaning • Deactivate forced cleaning • Set last descaling date • Deactivate display of descaling message (from version 03.03.
WMF presto Service Manual 4 Software components test 4.1 Components Component tests overview Depending on the machine configuration the following tests are available in the software: 4.2 submenu brewer motor Run brewer to end switch Run brewer up Run brewer down End switch: 0001 end switch contacted Current (mA): Display value during procedure 4.
WMF presto Service Manual 4.4 Valves During the test additional data is displayed, e.g. the maximum current consumption of the valve(s) or the number of flowmeter pulses. When testing the brewer valve the brewer must be in functioning condition as it receives the brewing water during the test and discharges it afterwards. 4.5 submenu SBHWB group (steam boiler and hot water boiler) Additional data during tests: Heating units: display of condition and current temperature.
WMF presto Service Manual 4.8 Backup battery During the test the battery is short-circuited. This procedure shortens battery life. 4.9 Display illumination The display illumination can be switched off for testing. 4.10 Grounds container Display if the micro switches switch the 24 V circuits of the grounds container and the adjustable screen. 4.11 Fan Test of function and current consumption 4.12 Power status Report “power failure” to the control unit 4.
WMF presto Service Manual 5 Software service routines 5.1 Service routines overview 5.2 First Run up The software is restarted, with a “reset event” entered into the laptop ring memory (see chapter “service”, reset events). The cleaning obligation is reset as if a cleaning cycle had just been done. A cleaning cycle can be interrupted. A descaling cycle can be interrupted.
WMF presto Service Manual 5.3 Idling current grinder For a correct “empty” report the grinder idling current must be entered into the system as base following the entering of the factory values or motor replacement. This is done via a service routine. Notices for technicians The idling current must by all means be determined with the grinder completely empty. 5.
WMF presto Service Manual 5.6 Exchanging control battery at F 157 At error message 157 the control battery must be replaced. The notices on the display are to be followed: All data is stored in the service memory. Disconnect machine from mains Exchange battery As soon as the machine is reconnected to the mains all data is automatically loaded into the service memory. 5.7 Depressurization Temperature and pressure are reduced under control, also in cases of overpressure, e.g.
WMF presto Service Manual 6. Beverage data 6.1 Beverage data overview Overview of beverage data main menu e.g. cappuccino Shift key: active = beverage on the 2. level is set General: Set recipe, portioner, amounts of powder and water Brewing: Set pre-treatment, dry pressing pause, multiple pressing and water amount for warm rinse Milk: set dosage time 1 (e.g. milk) and 2 (e.g. foam) and beverage-specific foam quality Overview of beverage data main menu e.g.
WMF presto Service Manual 7 7.1 Error messages and events Display messages Operation messages Water tank is empty or not inserted Beans right idling current detected Shut-off valve is closed or flowmeter malfunction Grounds container at full limit (Default 200 seconds grindingtime of grinders). If temperature in boiler or steam boiler too low. Micro switch grounds container or micro switch adjustable screen without contact. If grounds container was drawn out for more than 5 seconds.
WMF presto Service Manual 7.2 Error list F2 Brewer without electricity √ √ 195 5 F5 Brewer shutoff √ √ 198 6 F6 Brewer over current √ √ 253 7 F7 Brewer timeout (no electricity) √ √ 254 26 F26 Portioner current malfunction √ √ 1 36 F36 Current malfunction Portioner 2 √ √ 3 46 F46 Current malfunction Portioner 3 F87 Boiler sensor damaged √ √ √ √ 40 87 Descr. Comment Entry display 2 Report Display Entry ring mem. No.
√ 149 F149 General voltage malfunction √ √ 161 F161 flowmeter malfunction during brewing √ √ 241 162 F162 flowmeter malfunction during cleaning √ √ 242 163 F163 flowmeter malfunction during checking √ √ 243 164 F164 flowmeter malfunction during hot water dosage 165 F165 flowmeter malfunction during choc dosage 166 F166 flowmeter malfunction during DK feeding 167 F167 flowmeter malfunction during descaling 186 F186 timeout during steam boiler filling √ √ 244 √ √ 245 √ √ 246 √ √ 16
√ 9061 Standby Event √ Descr. No. malfunction memory √ Comment Entry display 189 F189 Heating-time steam boiler Report Display Entry ring mem.
9275 Reset triggered by customer 9288 MDB communication error coin checker 9289 MDB communication error card reader 9290 MDB communication error banknote reader 9291 24 V are switched off and then on again (reset for MDB equipment on 24 V) No. malfunction memory √ √ 9262 √ √ 9263 √ √ 9264 √ √ 9265 √ √ External mains voltage! √ √ √ √ Pump pressure lowered.
WMF presto Service Manual 7.3 Reasons for reset No.
WMF presto Service Manual 8 8.1 Mechanical settings Grinder setting (coarse - fine) Setting grinder degree The grinder must be dismantled. The setting-wheel (with worm gear) is dismantled. Turn the grinding-disks towards each other until they join and cannot be turned further by hand on the driveshaft. Fit the setting-wheel with the worm gear. Espresso grinder (right side) Open the setting-wheel by a total of 10 turns (Grinding-disks with 2 fixing screws).
WMF presto Service Manual 8.2 Setting pressure reducer Setting pressure reducer without laptop Start service program service routine setting pressure reducer start. Remove screw-cap on water tank filler. Screw auxiliary nipple to accept plug-in connector into the water tank filler Mount auxiliary tool on filler. Press field Start Supply valve opens Read pressure on pressure gauge. Set pressure to 1.8 bar at pressure reducer. Finish test (machine is turned off).
WMF presto Service Manual 9 Maintenance schedules 9.1 Customer check-up Customer check-up kit 1/10.000 33.2828.7000 No. 1 2 4 Description O-Ring 8x2 mm Milk foamer compl. Mixer spout Order number 33.1580.3000 33.2259.8000 33.2296.2000 5 6 7 Mixer hose 20 cm Milk hose 100 cm Milk nozzle 1.4 mm white Milk nozzle 1.3 mm green 00.0048.0064 00.0048.4948 33.9516.9000 33.2317.8000 8 9 10 O-Ring 5,28 x 1,78 mm O-Ring 3,68 x 1,78 mm O-Ring 37 x 3,5 mm 33.0398.4000 33.0394.4100 33.7006.
WMF presto Service Manual Parts Belongs to Brewer valve, hot water dispensing valve Basic machine Release valve Basic machine Solenoid part for release valve * Basic machine SV 16 bar Boiler Basic machine Fan Basic machine Branch pipe 45° Basic machine Hose Basic machine Battery Basic machine Steam nozzle compl.
WMF presto Service Manual 9.2.2 Service/maintenance routine 2/30.
WMF presto Service Manual 9.3 Revision 9.3.1 Maintenance sets for revision 6/90.000 (Service level 3) Basic machine with 1 grinder without steam without milk with water tank Parts Belongs to Part number Amount Milk foamer complete Water tank O-ring Brewer compl. Brewer valve, hot water dispensing valve Release valve Solenoid part for release valve * SV 16 bar Boiler Fan Branch pipe 45° Hose Battery Steam nozzle compl.
WMF presto Service Manual Additional parts 6/90,000 Parts Lock washer Coffee delivery Fuse Brewing-water delivery Brewer motor Boiler temperature sensor Gasket CU Boiler Temperature limiter Cable ties for boiler insulators Hood Hood for tower and choc Gasket CU Oscillating pump Hose - complete All hoses (see tube plan) All Plug-in connections (see tube plan) Grinder complete Motor Flowmeter water tank Hose (water tank) Part number Amount 0000472225 3322956000 3314719000 3322697000 3370063322 3322624000
WMF presto Service Manual Milk only no steam Parts SV 12 bar steam boiler Milk hose 100 cm Milk nozzle 1.4 mm white Milk nozzle 1.
WMF presto Service Manual Constant water connection Parts Part number Complete constant water connection (Supply valve, press. red.
WMF presto Service Manual Prepare external boiler and steam boiler (optional) parts Replace oscillating pump Replace flowmeter or supply group Supply group is optional with coffee machines with Constant water connection Water tank machine: Constant water connection: Dismantle the filler nipple of the flowmeter feeder.
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