Rad-8 Signal Extraction Pulse Oximeter Service Manual
Rad-8 Signal Extraction Pulse Oximeter Service Manual
The Rad-8 Service Manual is intended to provide the necessary information for proper servicing of the Rad-8 pulse oximetry system. This manual is structured to support troubleshooting to the assembly or module level. This manual does not provide instructions for troubleshooting to the printed circuit board component level. There may be information provided in this manual that is not relevant for your system.
Table of Contents Page 1. Overview ....................................................................................1-1 1.1. About this Manual ....................................................................1-1 1.2. Warnings, Cautions and Notes ................................................1-1 2. Maintenance...............................................................................2-1 2.1. Introduction ..............................................................................2-1 2.2.
1. Overview 1.1. About this Manual This manual explains how to service the Rad-8 class of pulse oximeters. However, when a differentiation between models is required, the actual model type will be identified prior to the explanation (For example, the difference between a Rad-8H (Horizontal) or Rad-8V (Vertical). Important safety information relating to general use of the Rad-8 class of pulse oximeters appears in the Rad-8 Operator’s Manual.
2. Maintenance 2.1. 2.1.1. Introduction This chapter covers, how to test the operation of the Rad-8 oximeters, how to properly clean, how to replace the battery and how to obtain service under normal operation. No internal adjustment or recalibration is required. Service should be done by qualified personnel only. Safety checks should be performed at regular intervals or in accordance with local and governmental regulations. WARNING: BEFORE CLEANING THE OXIMETER, TURN THE UNIT OFF. 2.2. Cleaning 2.2.1.
3. Battery Operation and Maintenance 3.1. Overview 3.1.1. The Rad-8 oximeter uses a 6 volt, 1.4AHr lead acid, sealed, rechargeable battery. 3.1.2. Please reference the Rad-8 Operator’s Manual for specifications on battery charge time and capacity. 3.2. Replacing the Batteries 3.2.1. Turn the Rad-8 oximeter off and remove the patient cable connection. 3.2.2. Place the unit on its side with the rubber footings facing up. 3.2.3. Remove the four screws from the housing assembly. 3.2.4.
4. Performance verification To test the performance of the Rad-8 pulse oximeter following repairs or during routine maintenance, follow the procedure outlined in this section. If the Rad-8 fails any of the described tests, discontinue its use and correct the problem before returning the unit back to the user. 4.1. Power-On Self-Test 4.1.1. With Rad-8 plugged into an AC power source and no cable or sensor plugged into the instrument, turn the monitor on by depressing the Power Button.
4.4. Sensor Test 4.4.1. Insert a known good Oximeter Tester into the sensor connector. 4.4.2. Turn power on. 4.4.3. Wait approximately 10 sec for the SpO2 and Pulse Rate displays to produce a number. During that time, the display should show “SEN OFF” and then dashes. 4.4.4. Read the SpO2 value from the display, and verify it is within the specified limits(%SpO2: 78 <= 84; BPM 60 <= 62). 4.5. Alarm Suspend Indicator 4.5.1. Induce an alarm condition. 4.5.2.
4.8. Brightness Test 4.8.1. Press the Mode / Enter button 2 times. LED displays should show “888” above and “888” below. 4.8.2. Press the Down arrow button and cycle down through the different brightness levels. Press the Up arrow button and cycle up through the different brightness levels. There are four brightness levels. 4.8.3. Press the Mode / Enter button 4 times to return to patient monitoring mode or wait for display to time out. 4.9. Trauma Mode Test 4.9.1. Press the Trauma button.
4.12.5. Repeat steps 4.12.1 to 4.12.3 with the Low and High Pulse Rate Alarm parameter. 4.12.6. Reset the alarm limits again to the original settings and accept the changes by pressing the Mode/Enter button. 4.13. Date and Time Setting 4.13.1. Press the Mode / Enter button 4 times and verify that “Set CL” message appears on the display. 4.13.2. Press the Next arrow key and “Yr XX” will be displayed. 4.13.3. Verify that correct year is displayed. 4.13.4. Use Up / Down arrow buttons to set accordingly. 4.
5. Repair 5.1. Safety Precautions: WARNING: When removing or installing any internal electrical components, be sure to first disconnect at least one terminal of the battery. Verify reconnection of battery prior to reassembly of unit for patient monitoring. WARNING: ENSURE THE UNIT HAS BEEN CLEANED PER THE CLEANING INSTRUCTIONS IN SECTION 2.2. 5.2. General Procedures 5.2.1. Inspect the unit for cosmetic damage prior to disassembly or troubleshooting.
5.3.3. The troubleshooting steps below are presented in order of the most probable cause first. Proceed to the next step only if the unit continues to fail. Symptom • Speaker Alarming (very loud) and unit is not functioning or displaying. • Alarm LED does not Illuminate 1. Unit must be in alarm state. 2. Audible alarm can be heard. • Alarm Condition But No Audible Indication. 1. Unit is in alarm condition. • Display Missing Segments • Button Function Error 1. Any front panel button Affected. 2.
5.4. Service Messages: Upon detection of a system error, the main software alerts the user with an audible alarm indicator and displays the appropriate error code on the display. The MS board is held in reset and no other runtime functionality is available to the user until the unit is power cycled or until power is completely removed and re-applied to the system (removal and/or replacement of battery).
5.5. Repair Policy 5.5.1. Masimo or an authorized Service Department must perform warranty repair and service. Do not use malfunctioning equipment. The product must be repaired. 5.5.2. Please clean contaminated/dirty equipment before returning. Make sure it is fully dry before packing the equipment. 5.5.3. To return the unit for service, please follow the Return Procedure outlined in this section. 5.6. Return Procedure 5.6.1.
5.6.5. A letter or email describing in detail any symptoms or difficulties experienced with the pulse oximeter. Please include the RMA number in the letter. 5.6.6. Warranty information – a copy of the invoice or other applicable documentation must be included. 5.6.7. Purchase order number to cover repair if the oximeter is not under warranty, or for tracking purposes if the warranty is in effect. 5.6.8. Ship-to and bill-to information. 5.6.9.
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Radical Signal Extraction Pulse Oximeter Service Manual UM10029–0406 6-4
6-5 Radical Signal Extraction Pulse Oximeter Service Manual UM10029–0406
