Midea UR-BD240WE-ST

Service Manual_2020-V1.0
4
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 .................................................................................................................................................. 41
9.6 ERROR CODE AND SOLUTIONS ................................................................................................................................. 41
9.7 TEST MODE ............................................................................................................................................................... 41
9.8 DEMO MODE（NONE） ........................................................................................................................................... 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 MAKER NOT MAKE ICE（OPTION） ............................................................................................................... 52
12. PRODUCT EXPLODED VIEW AND SPARE PARTS LIST ............................................................................. 53