Troubleshooting
50
Samsung Electronics
3-19 IPM over current error (Error Code : E464)
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
5) Check the assembly status of the compressor and compressor wire
6) Check the compressor wire
2. Check procedure
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
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?
No
Yes
Turn off the power and turn it
on again after 30 seconds
Re-install them correctly
No
Yes
Is piping/wiring between
the indoor and outdoor unit
done correctly?
Is the indoor unit installed correctly??
[AM0
✳✳✳
XMDGH series: Check for disconnected wires] [AM0
✳✳✳
XMDEH series:
Check for disconnected wires]
Cont.
