Mitsubishi Electronics MSZ-FD25VAS, MSZ-FD35VAS service manual CN1

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2. Power monitor receiver P.C. board

3. Monitor P.C. board

4. Plasma power P.C. board

CN1

3DC 2.5 V during PLASMA DEODORIZING operation

2GND

1DC 12.5 V during PLASMA DEODORIZING operation

35

Image 35

Contents MSZ-FD25VA E1 MSZ-FD25VAS E1 MSZ-FD35VA E1 MSZ-FD35VAS E1 Page Technical Changes See control operation Part Names and FunctionsIndoor model SpecificationSpecifications and rating conditions of main electric parts MSZ-FD25VA MSZ-FD25VAS Noise Criteria CurvesUnit mm Outlines and DimensionsWiring Diagram Unit mm Refrigerant System DiagramJ1 J2 Service FunctionsTimer Short Mode P.C. Board Modification for Individual OperationOperation Remote ControllerAuto Restart Function OPERATE/STOP Microprocessor ControlHeat Operation Auto Change Over ··· Auto Mode OperationCool Operation DRY OperationHorizontal vane Auto Vane OperationOutdoor Unit MXZ series COOL/DRY Heat Vertical vaneSee Sensor Area SettingSee Control Operation Daytime Operation and operating range Plasma OperationProgram Timer Clean OperationTimer Operation EMERGENCY/TEST Operation Minute Time Delay OperationEmergency Operation switch E.O.SW Troubleshooting OFF Failure Mode Recall FunctionPlasma operation check Flow chart of Plasma operation failure mode recall functionPlasma operation failure mode table Indoor unit failure mode tableStart Instruction of TroubleshootingAn abnormality other than above mentioned is detected Troubleshooting Check TablePlasma Trouble Criterion of Main Parts Power lamp flashes 3-time Indoor fan does not operate Troubleshooting FlowYes Check of indoor P.C. board and indoor fan motor How to check miswiring and serial signal error Check of installation of the horizontal vane Electromagnetic noise enters into TV sets or radios SW P.C. Board Test Point Diagram and VoltageIndoor electronic control P.C. board CN1 Removing the panel Photo Disassembly InstructionsPower monitor receiver Removing the vertical vane motor unit Photo Removing the nozzle assembly PhotoRemoving the electrical box Photo Removing the indoor fan motor and the line flow fan Photo Removing the horizontal vane motor PhotoSpecifications subject to change without notice