Mitsubishi Electronics MSZ-FA25VA, MSZ-FA35VA Removing the plasma power P.C. board Photo

Page 34

 

OPERATING PROCEDURE

PHOTOS

 

7. Removing the plasma power P.C. board

Photo 11

 

(1)

Remove the horizontal vane, the panel (Refer to 1.) and

 

 

 

the corner box.

 

 

(2)

Remove the switch holder and the electrical cover.

Screw of the plasma

Front panel

 

(Refer to 3.)

 

element holder

driving motor

(3)

Disconnect the connector of the front panel driving motor

 

 

 

<CN1U1> from the electronic control P.C. board.

 

 

(4)

Remove the front panel driving motor.

 

 

(5)Remove the screw of the plasma element holder, and remove the plasma element holder from the heat exchanger.

(See Photo 11.)

(6)Unhook all the catches of plasma unit cover and remove the plasma unit cover. (See Photo 12.)

(7)Remove the terminals with locking mechanism connected to the plasma power P.C. board and the safety device (Plasma unit). (See Photo 13.)

(8)Remove the plasma electrical box from the plasma element

holder.

Photo 12

(9)Remove the screw fixing the plasma electrical box, and open the plasma electrical box then pull out the plasma

power P.C. board from the plasma electrical box.

Plasma unit cover

(See Photo 13.)

Photo 13

 

Screw of

Terminal

 

 

Terminal

the plasma

 

 

electrical box

 

Safety device (Plasma unit)

Terminal Plasma

Terminal

power

 

P.C. board

 

34

Image 34
Contents Contents MSZ-FA25VA E1 MSZ-FA35VA E1Generalized stepping motor Technical ChangesFront panel opening/closing output gear Indoor Unit MSZ-FA25VA MSZ-FA35VA Wash reset switch Open Closed Receiving sectionPart Names and Functions See control operationMSZ-FA25VA E1 MSZ-FA35VA E1 Accessories Remote ControllerSpecifications and rating conditions of main electric parts SpecificationWhen outdoor unit is MXZ type MSZ-FA25VA E1 Noise Criteria CurvesMSZ-FA35VA E1 Indoor Unit Outlines and DimensionsMSZ-FA25VA E1 MSZ-FA35VA E1 Unit mmMSZ-FA25VA E1 Indoor Unit Wiring DiagramRefrigerant System Diagram MSZ-FA35VA E1 Indoor UnitRemote controller model KM05A Service FunctionsHow to modify the remote controller P.C. board OperationRemote controller Troubleshooting Install RemoveInformation for Multi System AIR Conditioner Outdoor Unit MXZ seriesFailure mode recall function OFFTo identify the error.Refer to 9-6.For G Plasma AIR Purifying Indoor unit failure mode tablePlasma Deodorizing OFFInstruction of troubleshooting StartTroubleshooting check table · Flashing of Power lamp indicates abnormalitiesAIR PlasmaPurifying Trouble criterion of main parts When Power lamp flashes 3-time Indoor fan does not operate Troubleshooting flowCheck of indoor fan motor Check of remote controller and receiver P.C. board Indoor electronic control P.C.Board How to check mis-wiring and serial signal error LEDCheck of installation of the horizontal vane Safety Deviceplasma Unit Plasma Deodorizing 0V?Continuously flash? AIR Purifying 0V?Check of auto front panel Indoor unit and outdoor unit do not operateElectromagnetic noise enters into TV sets or radios YesPlasma power P.C. board Test point diagram and voltagePower monitor receiver P.C. board Indoor electronic control P.C. boardDisassembly Instructions Removing the panel PhotoOperating Procedure Photos Removing the electrical boxRemoving the indoor fan motor and the line flow Photo Removing the horizontal vane motor unit PhotoRemoving the vertical vane motor unit Photo FanRemoving the plasma power P.C. board Photo Parts List Accessory and Remote ControllerIndoor Unit Heat Exchanger Safety PlasmaIndoor Unit Electrical Parts and Functional Parts Motor Receiver P.C Board Holder509 Symbol Qty/unit Part name WiringDiagram E02 504Optional Parts Deodorizing Ceramic FilterPage Specifications subject to change without notice