Troubleshooting
4-74
Samsung Electronics
4-4-16. Full current error / PFC over-current error (Error Code : E462, E484)
Yes
Outdoor unit installation and environment check.
→
Check for normal
operation at restart.
→
End the service.
1. Check for wire disconnection related to outdoor unit Inverter PCB.
2. Remove obstacle on the inlet of outdoor unit and
secure the space.
3. Remove obstacle on the outlet of outdoor unit and secure the space.
Check installation environment of indoor unit.
→
check for normal operation at restart.
→
End the service.
1. Remove obstacle on the inlet and secure the space.
2. Remove obstacle on the outlet and secure the space.
No
Is the outdoor unit installed properly?
After replacing the Inverter PCB of the outdoor
unit, check for normal startup. → End the service.
Yes
No
Is the indoor unit installed properly?
Yes
Yes
Power on 30 seconds after power off.
Open the valve.
Replace the compressor.
No
No
Is service valve fully opened?
Is compressor running properly?
Display
Outdoor Unit display
E462, E484
Wired remote Control, Wind Free RAC
E462, E484
Duct, 1way Cassette
4way Cassette,
4way Cassette(600x600)
MAX4
Console
360 Cassette
or
or
or
BLUE
◑
Duct
Blue
Red
1way
Blue Yellow
X
X
◑
◑
◑
X
◑
◑
◑
●
◑
◑
◑
◑
◑
X
X
Judgment
method
Refer to checking method, as shown below.
Symtom