Communication Error - Samsung DH24BTA Service Manual

12-2-12 Communication error

1. Checklist :
1) Is the communication cable between the indoor unit and outdoor unit connected correctly?
2) Isn't the power cable and communication cable wiring error?
2. Troubleshooting procedure
Restart after power off.
Is the communication error
occurred again?
Isn't the power cable and
communication cable wiring error?
Is the connection of
communication cable normal?
Is it the outdoor
2 Micom(Inverter + Main) model?
Exchange the outdoor unit PCB.
Samsung Electronics
Yes
Yes
Yes
Yes
No
Terminate the service.
No
Correct the wrong wiring.
No
Correct the connection of
communication cable.
No
Exchange the indoor/outdoor unit PCB.
Troubleshooting
12-14