Troubleshooting
4-52 Samsung Electronics
Error Code (cont.)
No. Code Description
78 E-323 Suction2 temperature sensor. (Open or Short / HR Only)
79 E-407 Compressor stop by high pressure's protection control.
80 E-410 Compressor stop by low pressure's protection control or refrigerant leakage.
81 E-413 Protection control by sump sensor.
82 E-416 Compressor stop by discharge temperature's protection control.
83 E-425 Reverse phase or phase open. ( 3φ Wiring of outdoor unit, R-S-T-N )
84 E-428 Compressor stop by abnormal compression ratio.
85 E-431 Self-diagnosis of oil solenoid valve. ( Open and Close error ) or closing error of oil balance valve.
86 E-438 EVI EEV leakage or intercooler leakage.
87 E-439 Refrigerant leakage.
88 E-440 Prohibition of heating operation when the ambient temperature is over 30°C
89 E-442 Prohibition of refrigerant charging with heating operation when outdoor ambient temperature is over 15°C
90 E-443 Prohibition of operating when the high pressure of system is too low.
91 E-445 CCH wire is broken or Sump sensor detached from the position.
92 E-452 Power failure temporarily or zero crossing error.
93 E-453 Overload error of outdoor unit's fan motor. ( by temperature )
94 E-454 RPM error of outdoor unit's fan motor.
95 E-455 IPM overload error of outdoor unit's fan motor. (by temperature)
96 E-457 Backlash error of outdoor unit's fan motor.
97 E-458 Over current of CT sensor.
98 E-461 Low current of CT sensor.
99 E-477 Stop compressor, because liquid refrigerant get into the compressor.
100 E-559 Indoor unit stop by unidentified error from outdoor units.
101 E-560 Option switch setting error of outdoor unit. ( Inapplicable option switch turns on. )
102 E-561 Fan RPM error of ERV SA. (Supply air)
103 E-562 Fan RPM error of ERV RA. (Return air)
104 E-563 Model mismatching of Indoor unit.
105 E-601 Communication error between remote controller and indoor unit.
106 E-602 Communication error between master and slave wired remote controller.
107 E-603 Communication packet error. (Baud rate error)
108 E-604 Tracking failure error between wired remote controller and indoor unit.
109 E-605 Communication error. ( 7-day scheduler l Wired remote controller or 7-day scheduler l Centralized controller )
110 E-606 COM1/COM2 communication setting error. ( Wired remote controller )
111 E-607 Two masters of wired remote controllers were installed in one COM2 communication line.
112 E-608 Can't detect ERV controller.
113 E-609 Indoor unit is not detected for synchronous control.
114 E-610 Communication error between centralized controller and interface module.
115 E-611 Communication error between DMS and centralized controller.
116 E-613 Communication error between DMS and SIM interface module.
117 E-614 Communication error between SIM and power meter.
118 E-615 Communication error between interface module and indoor unit.
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