Samsung AM036FXMDCH - Current Error; PFC Overload Error (Error Code: E462, E484)

Troubleshooting
38 Samsung Electronics
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
o 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
Error CODE Error description Related model
E462 Outdoor unit total current error AM666FXMDCH series
E484 Outdoor unit PFC overload error AM666FXMDCH series
Yes
Check the outdoor unit installation and
environment o Check for normal operation o
End service
1. Check for wire disconnection related to outdoor
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
Check the indoor unit installation and
environment o Check for normal operation o
End service
1. Remove obstacles on air inlet and secure
enough space
2. Remove obstacles on air outlet and secure
enough space
No
Is the outdoor unit installed correctly?
Change the outdoor unit inverter PBA and check for normal
operation o End service
Yes
No
Is the indoor unit installed correctly??
Yes
Change the compressor
No
Yes
Turn off the power and turn it
on again after 30 seconds
Open the valve
No
Is the service valve completely open?
Is the compressor operating normally?
[AM666FXMDCH series]