Troubleshooting - Samsung AQV24PSBANXAX Service Manual

12-2-1Communication 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 error?
2. Troubleshooting procedure
Restart after power off.
Is the communication error
occurred again?
Is the connection of
communication cable normal?
Exchange the Indoor unit's PBA
Is the communication error
occurred again?
Exchange the Outdoor unit's PBA
Samsung Electronics
When
Yes
Yes
Yes
is diplayed
No
Terminate the service.
No
Correct the wrong cable
No
Terminate the service.
12-2