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

Page 26

 

L AREA R

POWER CLEAN

PLASMA

 

 

No.

Abnormal

 

Operation indicator lamp

Symptom

Condition

Correspondence

 

point

 

 

 

 

 

 

Attachment

All lamps flash at the same time.

Indoor unit

 

 

 

0.5-second ON

The electricity is not conducted to the interlock

• Refer to 10-6.E"Check of

 

of the

and outdoor

1

installation of the horizontal

 

horizontal

 

 

unit do not

switch (Fan) of the horizontal vane.

vane".

 

vane

 

 

operate.

 

 

 

 

 

 

0.5-second OFF

L AREA R POWER CLEAN PLASMA

No.

Abnormal

Operation indicator lamp

 

point

 

POWER lamp is lighted.

MXZ type AREA lamps flash. Operation

1 mode setting

2.5-second OFF

Symptom

Outdoor unit operates but indoor unit does not operate.

Condition

Correspondence

The operation mode of the each indoor unit is

• Unify the operation mode.

differently set to COOL (includes DRY) and

Refer to outdoor unit service

HEAT at the same time, the operation mode of

manual.

the indoor unit that has operated at first has the

 

priority.

 

 

L AREA R

POWER CLEAN

PLASMA

 

No.

Abnormal

 

Operation indicator lamp

Symptom

Condition

 

point

 

 

 

 

 

 

PLASMA lamp flashes.

Indoor unit

PLASMA operation can not be turned OFF

 

 

2-time flash

 

PLASMA

and outdoor

1

even if the PLASMA operation is turned OFF

 

 

control

 

 

unit do not

 

 

with remote controller.

 

 

 

 

operate.

 

 

2.5-second OFF

 

 

 

 

 

Correspondence

Refer to 10-6.F"Check of PLASMA operation".

26

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Contents MSZ-FD25VA E1 MSZ-FD25VAS E1 MSZ-FD35VA E1 MSZ-FD35VAS E1 Page Technical Changes Part Names and Functions See control operationIndoor model SpecificationSpecifications and rating conditions of main electric parts Noise Criteria Curves MSZ-FD25VA MSZ-FD25VASUnit mm Outlines and DimensionsWiring Diagram Refrigerant System Diagram Unit mmP.C. Board Modification for Individual Operation Service FunctionsTimer Short Mode J1 J2Operation Remote ControllerAuto Restart Function Microprocessor Control OPERATE/STOPDRY Operation Auto Change Over ··· Auto Mode OperationCool Operation Heat OperationHorizontal vane Auto Vane OperationOutdoor Unit MXZ series Vertical vane COOL/DRY HeatSee Sensor Area SettingSee Control Operation Daytime Plasma Operation Operation and operating rangeProgram Timer Clean OperationTimer Operation EMERGENCY/TEST Operation Minute Time Delay OperationEmergency Operation switch E.O.SW Troubleshooting Failure Mode Recall Function OFFFlow chart of Plasma operation failure mode recall function Plasma operation checkIndoor unit failure mode table Plasma operation failure mode tableInstruction of Troubleshooting StartTroubleshooting Check Table An abnormality other than above mentioned is detectedPlasma Trouble Criterion of Main Parts Troubleshooting Flow Power lamp flashes 3-time Indoor fan does not operateYes 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 Disassembly Instructions Removing the panel PhotoPower monitor receiver Removing the vertical vane motor unit Photo Removing the nozzle assembly PhotoRemoving the electrical box Photo Removing the horizontal vane motor Photo Removing the indoor fan motor and the line flow fan PhotoSpecifications subject to change without notice