Samsung AC052MN4DKH - Page 75

Troubleshooting
4-40 Samsung Electronics
*1.PWFS0WFS$VSSFOUFSSPS&SSPS$PEF&(cont.)
Yes
1. Replace the compressor wire. ĺ Power ON.
ĺ Check normal startup. ĺ End the service.
2. Replace the compressor wire. ĺ Power ON.
ĺ Check normal startup. ĺ E
nd the service.
3. Replace the compressor wire. ĺ Power ON.
ĺ Check normal startup. ĺ End the service.
No
1. Did compressor wires assembled
in the appropriate color? (U:Red, V:Blue, W:Yellow) ĺ
Check for disconnections of PCB and COMP.
2. Is the terminal in the compressor
wire hou
sing firmly assembled?
3. Is there any fault of compressor wires
in disconnection or cutting?
Replace the PCB.
Continue
Yes
ఐ E46 Error-related, EMI / outdoor unit Main / Indoor unit Main PCB do not replace!
ĺ This error is related to the Inverter PCB. (Not related to the above PC
B)
ఐ Ensure that the service valve is open!
ĺ When the service valve is closed, the defects may be caused by differential
pressure when starting the compressor.
W
V
U
[RC6666HXH series]
W
V
U
[RC0906666/RC1006666/
RC1106666/ RC1306666/
RC1456666/RC1606666 series]
W
V
U
W
V
U
[RC0606666/RC0726666 series]
PCB connecting connector PCB connecting connector