Current Error / Pfc Overload Error (Error Code : E462, E484) - Samsung AM036NXMDCR Service Manual

Troubleshooting

3-27 Current error / PFC overload error (Error Code : E462, E484)

1. Check items
1) Check the power and restarting after power reset.
2) Check the outdoor unit installation and environments.
→ Check if the outdoor unit inverter PBA related wires
are disconnected. Check the installation environment.
3) Check for indoor unit installation environment.
4) Check for open service valve.
2. Check procedure
Turn off the power and turn it
on again after 30 seconds.
Is the outdoor unit installed correctly?
Is the indoor unit installed correctly?
Is the service valve completely open?
Is the compressor operating normally?
Change the outdoor unit inverter PBA and check for
normal operation → End service
64
Yes
Yes
Yes
Yes
Error CODE Error description
E462 Outdoor unit total current error
E484 Outdoor unit PFC overload error
Check the outdoor unit installation and
environment → Check for normal operation
→ End service
1. Check for wire disconnection related to outdoor
No
unit inverter PBA.
2. Remove the obstacles on outdoor unit air inlet
and secure enough space.
3. Remove the obstacles on outdoor unit air outlet
and secure enough space.
[AM XMDC
SSSS
Check the indoor unit installation and environment
→ Check for normal operation → End service
No
1. Remove obstacles on air inlet and secure
enough space.
2. Remove obstacles on air outlet and secure
enough space.
No
No
Troubleshooting
Related model
AMSSSSXMDCS series
AMSSSSXMDCS series
series]
S
Open the valve.
Change the compressor.
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