Samsung AC BNPDBC Series User & Installation Manual page 68

Troubleshooting
Error
No.
Code
20 E348 Lock error on Fan2 of outdoor unit
21 E353 Error due to overheated motor of outdoor unit's Fan2 Fan2 error
22 E355 Error due to overheated IPM of Fan2
23 E378 Error due to overcurrent of Fan2
24 E386 Over-voltage/low-voltage error of Fan2
25 E387 Hall IC connection error of Fan2
26 E389 V-limit error on Fan2 of compressor
27 E391 Error due to DataFlash of Fan2
28 E393 Output current sensor error of Fan2
29 E396 DC voltage sensor error of Fan2
30 E399 Heat sink temperature sensor error of Fan2
31 E403 Compressor down due to freeze protection control
32 E404 System stop due to overload protection control
33 E416 System stop due to discharge temperature
34 E422 Blockage detected on high pressure pipe
35 E425 Reverse phase or open phase
36 E440 Heating mode restriction due to high air temperature
37 E441 Cooling mode restriction due to low air temperature
38 E446 Error due to operation failure of Fan1
39 E447 Motor wire of Fan1 is not connected
40 E448 Lock error on Fan1 of outdoor unit
Error due to ZCP detection circuit problem or power
41 E452
failure
42 E453 Error due to overheated motor of outdoor unit's Fan1 Fan1 error
43 E455 Error due to overheated IPM of Fan1
44 E458 Fan speed error
45 E461 Error due to operation failure of inverter compressor
46 E462 System stop due to full current control
68 English
Meaning Remarks
Fan2 error
Fan2 error
Fan2 error
Fan2 error
Fan2 error
Fan2 error
Fan2 error
Fan2 error
Fan2 error
Fan2 error
Check Outdoor Cond.
Check Comp. when it start
-
1. Check if the service valve is open
2. Check for refrigerant leakage(pipe
connections, heat exchanger) and
charge refrigerant if necessary
3. Check if there's any blockage on
refrigerant cycle(indoor unit/outdoor unit)
4. Check if additional refrigerant has
been added after pipe extension
Check whether 3 phase is reversed or
opened.
Heating
Cooling
Fan1 error
Fan1 error
Fan1 error
-
Fan1 error
Fan1 error
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