Troubleshooting
Samsung Electronics 4-41
4-3-16 Full current error / PFC over-current error (Error Code : E462, E484)
1. Test items
1) Check the power connection. / Check the restart after power reset.
2) Install outdoor unit and check environment.
Check for wire disconnection related to outdoor unit Inverter PCB and check the installation environment.
3) Check the indoor unit installation environment.
4) Check the opening of service valve.
2. Check procedure
Yes
Outdoor unit installation and environment
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
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,
Yes
No
Is the indoor unit installed properly?
Yes
Replace the compressor.
No
Yes
Power on 30 seconds after power off.
Open the valve.
No
Is service valve fully opened?
Is compressor running properly?
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