Samsung AM053FXMDCH Service Manual page 3

Section 0
Contents
3-22. Compressor operation stop due to low pressure protection
control or refrigerant leakage. (E-410) ..................................................................................................... 56
3-23. Compressor operation stop due to discharge temperature protection control. (E-416) .. 58
3-24. Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N),
connection error on 3 phase input. (E-425) ........................................................................................... 60
3-25. Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N),
connection error on 3 phase input. (E-428) ........................................................................................... 62
3-26. EVI (ESC) EEV leakage or internal leakage of intercooler or incorrect connector
insertion of EVI (ESC) EEV. (E-438) .............................................................................................................. 64
3-27. Error due to refrigerant leakage. (E-439) /
Operation prohibited due to low pressure. (E-443) ............................................................................ 66
3-28. Heating mode restriction due to high air temperature. (E-440) /
Operation prohibited due to low pressure. (E-441) ............................................................................ 67
3-29. Refrigerant charging restriction in heating mode
when air temperature is over 15°C. (E-442) ........................................................................................... 68
3-30. CCH is detached. (E-445) .............................................................................................................................. 69
3-31. Error due to operation failure of inverter compressor 1. (E-461) ................................................. 70
3-32. Error due to operation failure of inverter compressor 1. (E-464) ................................................. 71
3-33. Error due to over voltage / low voltage of inverter PBA 1. (E-466).............................................. 72
3-34. Error due to overheat caused by contact failure on IPM of inverter PBA 1. (E-500) ............. 73
3-35. Outdoor unit's option switch setting error. (E-560) .......................................................................... 74
■. PCB Diagram and Parts List ............................................................................... 75
1. Outdoor Unit PCB ............................................................................................................................................................ 75
■. Wiring Diagram ................................................................................................... 83
1 AM036/048/053FXMDCH .................................................................................................................................................. 83
2. AM060MXMDCH .............................................................................................................................................................. 84
■. Reference Sheet................................................................................................... 85
1. Refrigerant cycle diagram ............................................................................................................................................. 85
1-1. AM036/048/053FXMDCH ............................................................................................................................... 85
1-2. AM060MXMDCH ................................................................................................................................................ 86
2. Nomenclatures .................................................................................................................................................................. 87
■. Check Operation & Amount of Refrigerant Automatically Checking ............ 88
1. Check Operation ............................................................................................................................................................... 88
1-1. Check Operation ................................................................................................................................................ 88
1-2. How to troubleshoot of the "Undetermined" ........................................................................................ 90
2. Automatic refrigerant amount detection function (Checking th amount of refrigerant) .................. 97
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