Current Error / Pfc Overload Error (Error Code : E462, E484) - Samsung AM040FXMDEH Service Manual

3-18 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
Samsung Electronics
Yes
Yes
Yes
Yes
End service
Error CODE Error description
E462 Outdoor unit total current error
E484 Outdoor unit PFC overload error
Check the outdoor unit installation and
environment
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
[AM0✳✳✳XMDGH series: Check for disconnected wires] [AM0✳✳✳XMDEH series]
Check the indoor unit installation and environment
Check for normal operation
No
1. Remove obstacles on air inlet and secure
enough space
2. Remove obstacles on air outlet and secure
enough space
No
No
Troubleshooting Troubleshooting
Related model
AM0✳✳✳XMDEH series
AM0✳✳✳XMDGH series
AM0✳✳✳XMDEH series
AM0✳✳✳XMDGH series
Check for normal operation
End service
Open the valve
Change the compressor
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