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Fisher & Paykel MR810 6.7REPLACING THE PUSH BUTTONS AND THE LED LIGHT PIPE, LED L, LED L, 6.7.1REPLACING THE PUSH BUTTONS, 6.7.2REPLACING THE LED LIGHT PIPE

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6.7REPLACING THE PUSH BUTTONS AND THE LED LIGHT PIPE

6.7.1REPLACING THE PUSH BUTTONS

Flat edge of button flange orientated with rib on case

Button insert

Button flange

Figure 6.11: Orientation of button flange and button insert

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1.Open the case and remove the PCB as outlined in § 6.2.

2.To replace the push buttons, remove the button retainer from inside the case. Now push the silicone button from the front through the hole. Discard the button.

3.To install the new push button: orient the flat edge of the button flange with the rib on the case (the buttons are designed to go in one way only). Now press the push button through the holes from inside the case (Figure 6.11).

4.Orient the short side of the button retainer to the rib side of the case with the tab protruding towards the base of the upper case. Insert the button retainer into the rear of the silicone buttons (Figure 6.11).

5.Now install the PCB, check the push button operation, and close the case as outlined in § 6.8

6.7.2REPLACING THE LED LIGHT PIPE

1.Open the case and remove the PCB as outlined in § 6.2.

2.Pull the LED light pipe out of the holes in the front of the top case and lift away (Figure 6.12).

3.Insert the new LED light pipe into the four locations in the top of the case, and then slide the four LED light pipes into their holes in the front of the case. Check that the LED light pipe ends are flush with the case front.

4.Now install the PCB and close the case as outlined in § 6.8

MR810 Technical Manual Revision C REF 185042601

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Contents

Page International United States Australia China Guangzhou Representative Office CONTENTS ELECTRICAL SAFETY TESTS ERFORMANCE EST ROCEDURE APPENDIX A: MAINTENANCE CHECKLIST 1 GENERAL INFORMATION 1.1INTRODUCTION 1.2GLOSSARY OF TERMS 1.3DEFINITIONS 1.4 SYMBOLS 1.5TECHNICAL MANUAL REVISION HISTORY 2SPECIFICATIONS MECHANICAL ELECTRICAL PERFORMANCE Temperature 2.4TRANSPORT AND STORAGE 2.5STANDARDS 3OPERATION AND CONTROLS 3.1 APPLICATION 3.2WARNINGS AND CAUTIONS 3.3SETUP 3.4CONTROLS AND INDICATORS 3.4.3"SEE MANUAL" INDICATOR Hardware Fault Microprocessor Fault 3.4.4 HEATER-WIRE INDICATOR 3.4.5AMBIENT TEMPERATURE SENSOR 3.5OPERATION 3.6DIAGNOSTIC PORT 4MAINTENANCE & CLEANING PROCEDURES 4.1CLEANING 4.2ANNUAL MAINTENANCE Page 5.2SEE MANUAL CODES See Fault Description Section Setting 6SERVICING PROCEDURES 6.1PRECAUTIONS 6.2OPENING THE CASE AND REMOVING THE PCB Figure 6.1: Removing the case bottom 6.2.2 REMOVING THE PCB 6.2.2 R PCB Figure 6.2: Removing the PCB 6.3REPLACING FUSES Model Supply Voltage Fuse Type Part Number 6.4REPLACING THE PCB PCB 6.5SERVICING THE HEATER PLATE Exploded Screw Application Driver Heater Plate Resistance Page Element 6.6REPLACING THE POWER CABLE OR HEATER-WIRE ADAPTOR Supply Power Cable Phase Neutral Page 6.7REPLACING THE PUSH BUTTONS AND THE LED LIGHT PIPE 6.8ASSEMBLING THE PCB AND CASE 6.9COMPLETING THE SERVICE 7ELECTRICAL SAFETY TESTS 7.1PROTECTIVE EARTH RESISTANCE 7.2EARTH LEAKAGE CURRENT 7.3INSULATION RESISTANCE 8PERFORMANCE TEST PROCEDURE 8.1INTRODUCTION 8.2FUNCTIONAL CHECK 8.3HEATER-WIRE MODE PERFORMANCE CHECK 8.4NON HEATER-WIRE MODE PERFORMANCE CHECK Appendix A: MAINTENANCE CHECKLIST Appendix A: M Pass/Fail Visual Check (refer § 4.1) Electrical Safety Check (refer § 7) Performance Check (refer § 8) Appendix B: PRODUCT HISTORY Date Change First Serial # Description of Change Appendix C: D Description (Figure 8.1) C.2 MR810 EXPLODED DIAGRAM C.3 HEATER PLATE PARTS LIST (Figure 8.2) C.4 HEATER PLATE EXPLODED DIAGRAM Appendix D: ELECTROMAGNETIC COMPATIBILITY Appendix D: E D.1 COMPLIANCE AND WARNINGS D.2 ELECTROMAGNETIC EMISSIONS D.3 ELECTROMAGNETIC IMMUNITY Recommended separation distance Recommended separation distances between portable and mobile RF communications equipment and the MR810 Rated maximum output Separation distance according to the frequency of transmitter (m)