Midea WHD774FWE1 User Manual

Service Manual_2017-V1
4
8.7 DISPLAY CONTROL BOARD ....................................................................................................................................... 30
8.8 MAIN CONTROL BOARD ............................................................................................................................................ 30
8.9 BAR COUNTER .......................................................................................................................................................... 31
8.10 WATER DISPENSER ................................................................................................................................................ 31
8.11ICE MAKER ............................................................................................................................................................... 31
9. FUNCTION AND OPERATION ............................................................................................................................ 32
9.1 OPERATION PANEL ................................................................................................................................................... 32
9.2 DISPLAY .................................................................................................................................................................... 32
9.3 SETTING OF THE GEAR ............................................................................................................................................. 32
9.4 CONTROL OF STANDBY FUNCTION ........................................................................................................................... 33
9.5 CONTROL OF ICE MAKER (NONE) ............................................................................................................................. 33
9.6 FAULT CODE AND SOLUTIONS ................................................................................................................................... 33
9.7 DEFROSTING FUNCTION ........................................................................................................................................... 33
9.8 TEST MODE ............................................................................................................................................................... 33
10. CIRCUIT DESCRIPTION ................................................................................................................................... 35
10.1 POWER SUPPLY ..................................................................................................................................................... 35
10.2 DOOR TRIP TEST CIRCUIT(NONE) .......................................................................................................................... 35
10.3 TEMPERATURE TEST CIRCUIT ................................................................................................................................ 35
10.4 FAN MOTOR CIRCUIT OF THE FREEZING CHAMBER ................................................................................................ 36
10.5 REFRIGERATOR FAN MOTOR CIRCUIT (NONE) ....................................................................................................... 36
10.6 CONDENSER FAN MOTOR CIRCUIT(NONE) ............................................................................................................. 36
10.7 DAMPER MOTOR CIRCUIT(NONE) .......................................................................................................................... 36
10.8 SENSOR RESISTANCE(R/T) ................................................................................................................................... 36
11. TROUBLESHOOTING METHOD ...................................................................................................................... 38
11.1 NO COOLING(AIR COOLING-ELECTRONIC) ............................................................................................................ 38
11.2 NO WORKING OF COMPRESSOR ............................................................................................................................. 39
11.3 INSIDE FROSTING, NO DEFROSTING ....................................................................................................................... 39
11.4 INSIDE FROSTING, NO DEFROSTING-MAINTENANCE GUIDELINES .......................................................................... 40
11.5 LIGHT IS NOT ON ..................................................................................................................................................... 41
11.6 AIR DUCT NOT OPERATED(ELECTRONICALLY) (NONE) ........................................................................................... 41
11.7 FAN FAILURE ........................................................................................................................................................... 41
11.8 DEFECTIVE DEFROST CIRCUIT ............................................................................................................................... 42
11.9 NOISE ..................................................................................................................................................................... 42
12. FIGURES AND DETAILS OF REPAIR PARTS(DOCUMENTS ARE PROVIDED SEPARATELY) ............. 43
12.1 FIGURES(NONE) ..................................................................................................................................................... 43
12.2 LIST OF PARTS AND COMPONENTS(NONE) ............................................................................................................. 43
13. APPENDIX........................................................................................................................................................... 44
13.1 REFRIGERATOR MAINTENANCE TOOLING AND EQUIPMENT AND MATERIAL ............................................................ 44

Midea WHD774FWE1 Specifications

General

Brand	Midea
Model	WHD774FWE1
Category	Refrigerator
Language	English