Midea UR-BC123CM-ST - Page 4

Service Manual, 2017-02
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8.6EVAPORATOR AND TEMPERATURE SENSING SYSTEM ....................................................................... 21
8.6COMPRESSOR CASE ........................................................................................................................ 22
8.7DISPLAY AND MAIN CONTROL PANEL(NONE) .................................................................................. 23
8.8 BAR COUNTER(NONE) ................................................................................................................... 23
8.9 WATER DISPENSER(NONE) ............................................................................................................. 24
8.10 ICE MAKER(NONE) ...................................................................................................................... 24
9. FUNCTION AND OPERATION ................................................................................................ 25
9.1OPERATION PANEL .......................................................................................................................... 25
9.2TEMPERATURE CONTROL ................................................................................................................ 25
9.3GIVE AN ALARM(NONE) ................................................................................................................. 25
9.4FAILURE CODE AND SOLUTIONS(NONE) .......................................................................................... 25
9.5DEFROST FUNCTION ....................................................................................................................... 25
9.6COMPRESSOR FAN CONTROL(NONE) .............................................................................................. 25
9.10TEST MODE (NONE) ...................................................................................................................... 25
9.11SELF-DIAGNOSIS (NONE) .............................................................................................................. 25
10.CIRCUIT DESCRIPTION ........................................................................................................ 26
10.1 POWER SUPPLY(NONE) ................................................................................................................ 26
10.2 TEST CIRCUIT FOR DOOR SWITCH(NONE) ..................................................................................... 26
10.3 TEMPERATURE TEST CIRCUIT(NONE) ........................................................................................... 26
10.4FREEZER CHAMBER FAN MOTOR CIRCUIT (NONE) ......................................................................... 26
10.5REFRIGERATING CHAMBER FAN MOTOR CIRCUIT (NONE) .............................................................. 26
10.6CONDENSATION FAN CIRCUIT (NONE) .......................................................................................... 26
10.5 FAN MOTOR CIRCUIT OF THE VENTILATION DOOR(NONE) ............................................................ 26
10.6RESISTANCE VALUE OF THE SENSOR (R/T) .................................................................................... 26
11.TROUBLESHOOTING METHOD........................................................................................... 27
11.1 NOT COOLING .............................................................................................................................. 27
11.2 NOT WORKING OF COMPRESSOR .................................................................................................. 28
11.3 -THERMOSTAT MALFUNCTION-UNDERCOOLING........................................................................... 29
11.4 LIGHT IS NOT ON .......................................................................................................................... 29
11.5 NOISE .......................................................................................................................................... 30
12. FIGURES AND DETAILS OF REPAIR
PARTS(DOCUMENTSAREPROVIDEDSEPARATELY) ............................................................ 31
12.1FIGURES ....................................................................................................................................... 31
12.2LIST OF PARTS AND COMPONENTS ................................................................................................. 31
13APPENDIX: ................................................................................................................................ 32
13.1ELECTRICAL SCHEMATIC DIAGRAM(NONE) ................................................................................. 32
13.2REFRIGERATOR MAINTENANCE TOOLING AND EQUIPMENT AND MATERIAL ................................. 32