Troubleshooting
4-6 Samsung Electronics
No. Code Explanation
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-461 Error due to operation failure of inverter compressor 1.
67 E-462 Compressor stop due to full current control.
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.
74 E-471 INV1 data ash error.
75 E-474 Heat sink temperature sensor error of inverter PBA 1.
76 E-475 Error due to fan2 PRM.
77 E-478 Error due to overcurrent of Fan1.
78 E-483 Error due to special overcurrent of Fan1.
79 E-485 Error due to input current of inverter 1.
80 E-486 Over-voltage/low-voltage error of Fan1.
81 E-487 Hall IC connection error of Fan1.
82 E-489 V-limit error on Fan1 of compressor.
83 E-491 Error due to Data Flash of Fan1.
84 E-493 Output current sensor error of Fan1.
85 E-496 DC voltage sensor error of Fan1.
86 E-499 Heat sink temperature sensor error of Fan1.
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
89 E-505 Error due to self diagnosis of high pressure sensor.
90 E-506 Error due to self diagnosis of low pressure sensor.
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).
93 E-573 Error due to using single type outdoor unit in a module installation.
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).
96 UP Trial operation uncompleted(Unprepared).
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