3. Network Convertor (UTY-VGGX)
2. When connecting a single split type indoor unit to a network convertor
Error Contents :
PCB Error 1
Symptom :
Error Code display [ C 1 ]
All the control items do not operate.
Details :
Condition of occurrence : Synchronization of Network Device was not normally done.
Release condition : When the synchronization of the device is normally done.
Cause 1 : External noise
After pressing SW104 of Network Convertor PCB for 5 seconds or turning on power.
Does error code display reappear?
Cause 2 : Network Convertor is defective.
Replace Network Convertor.
It is not a defect of PCB. Remove the surrounding noise source.Remove the surrounding noise source.
YES
OK
NO
Trouble shooting 85
Error Contents :
Power Supply Error
Symptom :
No display
Details :
Condition of occurrence : Normal power is not supplied. 7 segment indicator is defective.
Release condition : Normal power is supplied. 7 segment indicator is normal.
Cause 1 :
Power supply cable installation is defective or open.
Check following installation and reset the power supply.
(1) Installation of power cable on power supply terminal.
(2) Connection between Power PCB and Terminal.
(3) Connector condition between power PCB and Main PCB.
Cause 2 : Network Convertor is defective.
If normal voltage (220V) is applied to power supply
terminal of Network Convertor, there is a possibility of
defective PCB. Proceed as follows.
Replace Network Convertor.
OK
Trouble shooting 84
AC
04-83
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