Service Manual_2020-V1.0
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8. TEMPERATURE SENSING SYSTEM ................................................................................................................. 35
8.1 POSITION OF SENSORS ............................................................................................................................................ 35
8.2 REPLACEMENT OF SENSORS ................................................................................................................................... 35
8.3 SENSOR WITHOUT TERMINAL REPLACEMENT .......................................................................................................... 36
8.4 SENSOR R/T TABLE .................................................................................................................................................. 37
9. FUNCTION AND OPERATION ............................................................................................................................ 39
9.1 DISPLAY OPERATION PANEL ..................................................................................................................................... 39
9.2 TEMPERATURE CONTROL ......................................................................................................................................... 39
9.3 MODE SETTING ......................................................................................................................................................... 40
9.4 DEFROSTING FUNCTION ........................................................................................................................................... 40
9.5 OPEN DOOR ALARM (NONE) ..................................................................................................................................... 40
9.6 ERROR CODE AND SOLUTIONS ................................................................................................................................. 40
9.7 TEST MODE ............................................................................................................................................................... 41
9.8 DEMO MODE(NONE) ........................................................................................................................................... 41
9.9 BACKUP DATA FOR POWER FAIL ............................................................................................................................... 41
10. COMPRESSOR .................................................................................................................................................. 42
10.1 COMPRESSOR ON AND OFF CONTROL SPECIFICATIONS ........................................................................................ 42
11. TROUBLESHOOTING METHOD ...................................................................................................................... 43
11.1 NO COOLING (AIR COOLING-ELECTRONIC) ............................................................................................................ 43
11.2 NO WORKING OF COMPRESSOR ............................................................................................................................. 45
11.3 INSIDE FROSTING, NO DEFROSTING ....................................................................................................................... 46
11.4 INSIDE FROSTING, NO DEFROSTING-MAINTENANCE GUIDELINES .......................................................................... 47
11.5 LIGHT IS NOT ON ..................................................................................................................................................... 48
11.6 FAN FAILURE ........................................................................................................................................................... 49
11.7 DEFECTIVE DEFROST CIRCUIT ............................................................................................................................... 49
11.8 NOISE ..................................................................................................................................................................... 50
11.9 AIR DUCT NOT OPERATED ....................................................................................................................................... 50
11.10 ICE MAKERNOT MAKE ICE(OPTION) ................................................................................................................ 51
12. PRODUCT EXPLODED VIEW AND SPARE PARTS LIST ............................................................................. 52