Mitsubishi Electronics MSZ-FA25VA, MSZ-FA35VA manual

HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN

CCopyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD

Distributed in Jan. 2005. No. OB371 6	New publication, effective Jan. 2005
Made in Japan	Specifications subject to change without notice.

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Mitsubishi Electronics MSZ-FA25VA, MSZ-FA35VA service manual Specifications subject to change without notice

Contents

Contents MSZ-FA25VA E1 MSZ-FA35VA E1 Generalized stepping motor Technical ChangesFront panel opening/closing output gear Wash reset switch Open Closed Receiving section Part Names and FunctionsIndoor Unit MSZ-FA25VA MSZ-FA35VA See control operation MSZ-FA25VA E1 MSZ-FA35VA E1 Accessories Remote Controller Specifications and rating conditions of main electric parts SpecificationWhen outdoor unit is MXZ type MSZ-FA25VA E1 Noise Criteria CurvesMSZ-FA35VA E1 Outlines and Dimensions MSZ-FA25VA E1 MSZ-FA35VA E1Indoor Unit Unit mm Wiring Diagram Refrigerant System DiagramMSZ-FA25VA E1 Indoor Unit MSZ-FA35VA E1 Indoor Unit Service Functions How to modify the remote controller P.C. boardRemote controller model KM05A Operation Remote controller Troubleshooting Install Remove Information for Multi System AIR Conditioner Outdoor Unit MXZ series Failure mode recall function OFF To identify the error.Refer to 9-6.For G Indoor unit failure mode table Plasma DeodorizingPlasma AIR Purifying OFF Instruction of troubleshooting Start Troubleshooting check table · Flashing of Power lamp indicates abnormalities AIR 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 LED Check 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 operate Electromagnetic noise enters into TV sets or radios Yes Test point diagram and voltage Power monitor receiver P.C. boardPlasma power P.C. board Indoor electronic control P.C. board Disassembly Instructions Removing the panel Photo Operating Procedure Photos Removing the electrical box Removing the horizontal vane motor unit Photo Removing the vertical vane motor unit PhotoRemoving the indoor fan motor and the line flow Photo Fan Removing the plasma power P.C. board Photo Parts List Accessory and Remote Controller Safety Plasma Indoor Unit Electrical Parts and Functional PartsIndoor Unit Heat Exchanger Motor Receiver P.C Board Holder Symbol Qty/unit Part name Wiring Diagram E02509 504 Optional Parts Deodorizing Ceramic FilterPage Specifications subject to change without notice