Mitsubishi Electronics MSZ-FA35VA, MSZ-FA25VA Check of installation of the horizontal vane

Page 25

When All lamps flash ON and OFF every 0.5-second. Indoor unit and outdoor unit do not operate.

E Check of installation of the horizontal vane

Start
Turn OFF the
power supply.
Is the stopper of the horizontal vane	No
Is the stopper of the horizontal vane
locked to the indoor unit correctly?
Yes

To check the continuity of the interlock switch (Fan), measure the resistance of connector 1 - 2 connected to CN1R1 on the indoor

electronic control P.C. board.

Relock the stopper of the horizontal vane to the indoor unit. Refer to 9-1.5.

Turn ON the power supply.

No

Are all lamp flashing?

OK

Yes

Turn OFF the power supply.

No(∞ )

Is there resistance 0 "?

Yes

Replace the indoor electronic control P.C. board.

Replace the interlock switch(Fan).

25

Image 25

Contents MSZ-FA25VA E1 MSZ-FA35VA E1 ContentsGeneralized stepping motor Technical ChangesFront panel opening/closing output gear Part Names and Functions Wash reset switch Open Closed Receiving sectionIndoor Unit MSZ-FA25VA MSZ-FA35VA See control operationRemote Controller MSZ-FA25VA E1 MSZ-FA35VA E1 AccessoriesSpecifications and rating conditions of main electric parts SpecificationWhen outdoor unit is MXZ type MSZ-FA25VA E1 Noise Criteria CurvesMSZ-FA35VA E1 MSZ-FA25VA E1 MSZ-FA35VA E1 Outlines and DimensionsIndoor Unit Unit mmRefrigerant System Diagram Wiring DiagramMSZ-FA25VA E1 Indoor Unit MSZ-FA35VA E1 Indoor UnitHow to modify the remote controller P.C. board Service FunctionsRemote controller model KM05A OperationRemote controller Troubleshooting Remove InstallOutdoor Unit MXZ series Information for Multi System AIR ConditionerOFF Failure mode recall functionTo identify the error.Refer to 9-6.For G Plasma Deodorizing Indoor unit failure mode tablePlasma AIR Purifying OFFStart Instruction of troubleshooting· Flashing of Power lamp indicates abnormalities Troubleshooting check tableAIR 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 LED How to check mis-wiring and serial signal errorCheck of installation of the horizontal vane Plasma Deodorizing 0V? Safety Deviceplasma UnitAIR Purifying 0V? Continuously flash?Indoor unit and outdoor unit do not operate Check of auto front panelYes Electromagnetic noise enters into TV sets or radiosPower monitor receiver P.C. board Test point diagram and voltagePlasma power P.C. board Indoor electronic control P.C. boardRemoving the panel Photo Disassembly InstructionsRemoving the electrical box Operating Procedure PhotosRemoving the vertical vane motor unit Photo Removing the horizontal vane motor unit PhotoRemoving the indoor fan motor and the line flow Photo FanRemoving the plasma power P.C. board Photo Accessory and Remote Controller Parts ListIndoor Unit Electrical Parts and Functional Parts Safety PlasmaIndoor Unit Heat Exchanger Motor Receiver P.C Board HolderDiagram E02 Symbol Qty/unit Part name Wiring509 504Deodorizing Ceramic Filter Optional PartsPage Specifications subject to change without notice