Service Manual_2020-V1.0
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7.10 VARIABLE FREQUENCY DRIVER BOARD(NONE) ................................................................................................ 31
7.11 WATER DISPENSER(NONE) ............................................................................................................................... 31
8. TEMPERATURE SENSING SYSTEM ................................................................................................................. 32
8.1 POSITION OF SENSORS ............................................................................................................................................ 32
8.2 REPLACEMENT OF SENSORS ................................................................................................................................... 32
8.3 SENSOR WITHOUT TERMINAL REPLACEMENT .......................................................................................................... 34
8.4 SENSOR R/T TABLE .................................................................................................................................................. 35
9. FUNCTION AND OPERATION ............................................................................................................................ 36
9.1 DISPLAY OPERATION PANEL ..................................................................................................................................... 36
9.2 TEMPERATURE CONTROL ......................................................................................................................................... 37
9.3 MODE SETTING ......................................................................................................................................................... 37
9.4 DEFROSTING FUNCTION ........................................................................................................................................... 38
9.5 OPEN DOOR ALARM .................................................................................................................................................. 38
9.6 ERROR CODE AND SOLUTIONS ................................................................................................................................. 39
9.7 TEST MODE ............................................................................................................................................................... 41
9.8 DEMO MODE ............................................................................................................................................................. 42
9.9 BACKUP DATA FOR POWER FAIL ............................................................................................................................... 42
10. COMPRESSOR .................................................................................................................................................. 43
10.1 COMPRESSOR ON AND OFF CONTROL SPECIFICATIONS ........................................................................................ 43
10.2 INVERTER BOARD FAULT ANALYSIS(NONE) ....................................................................................................... 43
11. TROUBLESHOOTING METHOD ...................................................................................................................... 44
11.1 NO COOLING (AIR COOLING-ELECTRONIC) ............................................................................................................ 44
11.2 NO WORKING OF COMPRESSOR ............................................................................................................................. 46
11.3 INSIDE FROSTING, NO DEFROSTING ....................................................................................................................... 47
11.4 INSIDE FROSTING, NO DEFROSTING-MAINTENANCE GUIDELINES .......................................................................... 48
11.5 LIGHT IS NOT ON ..................................................................................................................................................... 49
11.6 FAN FAILURE ........................................................................................................................................................... 50
11.7 DEFECTIVE DEFROST CIRCUIT ............................................................................................................................... 50
11.8 NOISE ..................................................................................................................................................................... 51
11.9 AIR DUCT NOT OPERATED(OPTION) .................................................................................................................. 51
11.10 ICE MAKERNOT MAKE ICE(OPTION) ................................................................................................................ 52
12. PRODUCT EXPLODED VIEW AND SPARE PARTS LIST ............................................................................. 53