32 Samsung Electronics
No. Code Explanation
55 E-441 Cooling mode restriction due to low air temperature.
56 E-442 Refrigerant charging restriction in heating mode when air temperature is over 15°C.
57 E-443 Operation prohibited due to low pressure.
58 E-445 CCH is detached.
59 E-446 Error due to operation failure of Fan1.
60 E-447 Motor wire of Fan1 is not connected.
61 E-448 Lock error on Fan1 of outdoor unit.
62 E-452 Error due to ZCP detection circuit problem or power failure.
63 E-453 Error due to overheated motor of outdoor unit's Fan1.
64 E-454 Error due to fan1 PRM.
65 E-455 Error due to overheated IPM of Fan1.
66 E-458 Outdoor fan 1 error3
66 E-461 Error due to operation failure of inverter compressor 1.
67 E-462 Compressor stop due to full current control.
67 E-463 OLP temperature control, compressor stops.
68 E-464 Error due to over-current of inverter compressor 1.
69 E-465 V-limit error of inverter compressor 1.
70 E-466 Error due to over voltage / low voltage of inverter PBA 1.
71 E-467 Error due to unconnected wire of compressor 1.
72 E-468 Output current sensor error of inverter PBA 1.
73 E-469 DC voltage sensor error of inverter PBA 1.
75 E-474 Heat sink temperature sensor error of inverter PBA 1.
76 E-475 Error due to fan2 PRM.
78 E-483 Error due to special overcurrent of Fan1.
79 E-484 PFC overload
79 E-485 Error due to input current of inverter 1.
87 E-500 Error due to overheat caused by contact failure on IPM of inverter PBA 1.
88 E-503 Error due to alert the user to check if the service valve is closed
90 E-554 Gas leak error
91 E-560
Outdoor unit’s option switch setting error(Using E2P option of other models or emergency operation
for compressor malfunction option setting was enabled on all compressors of corresponding outdoor
unit).
92 E-563 Error due to module installation of indoor unit with old version(Micom version needs to be checked).
94 E(P)-702 Error due to closed EEV of indoor unit(1st detection).
95 E(P)-703 Error due to opened EEV of indoor unit(1st detection).