Service Manual_2018-V2.0
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8.9 MAIN CONTROL BOARD ............................................................................................................................................ 35
9. TEMPERATURE SENSING SYSTEM ................................................................................................................. 36
9.1 POSITION OF SENSORS ............................................................................................................................................ 36
9.2 REPLACEMENT OF SENSORS ................................................................................................................................... 36
9.3 SENSOR REPLACEMENT ........................................................................................................................................... 37
9.4 SENSOR RESISTANCE (R/T) ..................................................................................................................................... 38
10. FUNCTION AND OPERATION .......................................................................................................................... 39
10.1 OPERATION PANEL ................................................................................................................................................. 39
10.2 DISPLAY .................................................................................................................................................................. 39
10.3 TEMPERATURE SETTING......................................................................................................................................... 39
10.4 OPEN DOOR ALARM ................................................................................................................................................ 39
10.5 FUNCTION SELECTION ........................................................................................................................................... 40
10.6 FAULT CODE AND SOLUTIONS ................................................................................................................................. 40
10.7 DEFROSTING FUNCTION ......................................................................................................................................... 41
10.8 TEST MODE ............................................................................................................................................................ 41
10.9 BACKUP DATA FOR POWER FAIL ............................................................................................................................. 42
11. COMPRESSOR ................................................................................................................................................... 43
11.1 COMPRESSOR ON AND OFF CONTROL SPECIFICATIONS ........................................................................................ 43
12. TROUBLESHOOTING METHOD ...................................................................................................................... 44
12.1 NO COOLING (AIR COOLING-ELECTRONIC) ........................................................................................................... 44
12.2 NO WORKING OF COMPRESSOR............................................................................................................................. 45
12.3 INSIDE FROSTING, NO DEFROSTING ....................................................................................................................... 45
12.4 INSIDE FROSTING, NO DEFROSTING-MAINTENANCE GUIDELINES .......................................................................... 46
12.5 LIGHT IS NOT ON ..................................................................................................................................................... 47
12.6 FAN FAILURE ........................................................................................................................................................... 47
12.7 DEFECTIVE DEFROST CIRCUIT ............................................................................................................................... 48
12.8 NOISE ..................................................................................................................................................................... 48
12.9 AIR DUCT NOT OPERATED(ELECTRONICALLY) (NONE)........................................................................................... 49
13. FIGURES AND DETAILS OF REPAIR PARTS ................................................................................................ 50
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