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Mitsubishi Electronics MSZ-FD25VA, MSZ-FD25VAS, MSZ-FD35VA, MSZ-FD35VAS - page 40

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HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

Distributed in Aug. 2007. No. OBH488 6

Made in Japan New publication, effective Aug. 2007

Specifications subject to change without notice.

OBH488-2.qxp 07.8.9 11:49 AM Page 40

Contents

Main MSZ-FD25VA - MSZ-FD25VAS - MSZ-FD35VA - MSZ-FD35VAS - No. OBH488 SERVICE MANUAL Wireless type Models INDOOR UNIT Page Page 2PART NAMES AND FUNCTIONS ACCESSORIES SPECIFICATION 3 Specifications and rating conditions of main electric parts 4NOISE CRITERIA CURVES OBH488-1.qxp 07.8.9 11:47 AM Page 6 INDOOR UNIT WALL MICROPHONE 0.8 m 1 m OUTLINES AND DIMENSIONS OBH488-1.qxp 07.8.9 11:47 AM Page 7 Wall hole [65 11 X 26 Oblong hole 11 X 20 Oblong hole Indoor unit 7REFRIGERANT SYSTEM DIAGRAM OBH488-1.qxp 07.8.9 11:47 AM Page 8 Unit : mm Refrigerant flow in cooling Refrigerant flow in heating SERVICE FUNCTIONS 8 8-2. P.C. BOARD MODIFICATION FOR INDIVIDUALOPERATION 8-1. TIMER SHORT MODE Table 1 8-4. REMOTE CONTROLLER MICROPROCESSOR CONTROL 9 WIRELESS REMOTE CONTROLLER INDOOR UNIT LAMP 9-2. DRY ( ) OPERATION 9-3. HEAT ( ) OPERATION 9-1. COOL ( ) OPERATION 9-4. AUTO CHANGE OVER AUTO MODE OPERATION 9-5. AUTO VANE OPERATION 1 Page 9-6. i-see CONTROL OPERATION 9-7. AREA( ) SETTING Indoor unit installation location and air-conditioning area OBH488-1.qxp 07.8.9 4:06 PM Page 16 Approx. 150 degrees Not lighted AREA RL AREA RL AREA RL Daytime Nighttime Warm area Cold area 9-8. PLASMA ( ) OPERATION Description of PLASMA operation: 9-10. TIMER OPERATION w PROGRAM TIMER 9-9. CLEAN ( ) OPERATION 9-11. EMERGENCY/TEST OPERATION 9-12. 3-MINUTE TIME DELAY OPERATION 10 TROUBLESHOOTING 10-1. CAUTIONS ON TROUBLESHOOTING 10-2. FAILURE MODE RECALLFUNCTION 1. Flow chart of failure mode recall function for the indoor/outdoor unit 1 2 Page 4. Indoor unit failure mode table NOTE : Blinking patterns of this mode differ from the ones of TROUBLESHOOTING CHECK TABLE (10-4.). 5. PLASMAoperation failure mode table 10-3. INSTRUCTION OF TROUBLESHOOTING 10-4. TROUBLESHOOTING CHECK TABLE Lighted Blinking Not lighted Page 10-5. TROUBLE CRITERION OF MAIN PARTS 10-6. TROUBLESHOOTING FLOW A Check of indoor fan motor POWER lamp flashes 3-time. Indoor fan does not operate. Check of remote controller and indoor electronic control P.C. board B Check of indoor P.C. board and indoor fan motor C How to check miswiring and serial signal error OBH488-2.qxp 07.8.9 4:46 PM Page 31 D Check of installation of the horizontal vane OBH488-2.qxp 07.8.9 11:48 AM Page 32 E F Check of PLASMAoperation Electromagnetic noise enters into TV sets or radios OBH488-2.qxp 07.8.9 11:48 AM Page 33 G 1. Indoor electronic control P.C. board. } 10-7. TEST POINT DIAGRAM AND VOLTAGE Interlock switch(Fan) (CN1R1) { Page 11 DISASSEMBLY INSTRUCTIONS <"Terminal with locking mechanism" Detaching points> MSZ-FD25VA MSZ-FD25VAS MSZ-FD35VA MSZ-FD35VAS Photo 1 1. Removing the panel Photo 3 Photo 2 Photo 4 3. Removing the electrical box Photo 5 Photo 8 4. Removing the nozzle assembly Photo 6 6. Removing the horizontal vane motor 7. Removing the indoor fan motor and the line flow fan Photo 13 Photo 11 Photo 12