Samsung AM030RXMDEH/EU Service Manual page 41

4-3-19 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
→ 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
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 piping/wiring between
the indoor and outdoor unit
done correctly?
Cont.
Samsung Electronics
Yes
Yes
Yes
Check the outdoor unit installation and
environment → Check for normal operation →
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
No
Check list for model which uses
3 phase power.
Check the indoor unit installation and
environment → Check for normal operation →
End service
1. Remove obstacles on air inlet and secure
No
enough space
2. Remove obstacles on air outlet and secure
enough space
No
Re-install them correctly
Troubleshooting
Check list for model which uses
1 phase power.
41