Troubleshooting - Samsung ASV18PULNXEA Service Manual

Communication error
Indoor display ○
Outdoor display ⊙
○
○
1.Checklist :
1) Is the cable between the indoor unit and outdoor unit connected correctly?
2) Isn't the power cable and communication cable cross?
2. Troubleshooting procedure
Restart after power off.
Is the communication error
occurred again?
YES
Is the connection of power cable
and communication cable normal?
YES
Is the power is normal?
(check the LED Lamp)
YES
Exchange the indoor unit PBA.
Is the communication error
occurred again?
YES
Exchange the outdoor unit PBA.
Samsung Electronics
⊙ ⊙ Communication error
● ● 1min. Time out Comm.
○ ●
Abnormal Communication
● ●
NO
NO
NO
NO
Terminate the service.
Correct the wrong cable.
Exchange the PBA of no power unit
Terminate the service.
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