Error Contents :
Peripheral device Communication
abnormal
Symptom :
Error Code display [ 1 6 ]
All the control items do not operate.
Details :
Condition of occurrence : The communication between Indoor unit and Network Convertor was not performed normally.
Release condition : When the communication with Indoor unit is resumed normally.
Cause 2 :
Defective or open connection of Remote Control cable between Network Convertor and Indoor Unit.
Cause 4 : Incorrect setting of main unit address of Indoor unit.
Check main unit address setting of Indoor unit.
Cause 5 : Incorrect setting of DIP-SW of Network Convertor. Mis-read of Indoor unit type and RC type.
Check DIP-SW103[1 to 8] of Network Convertor (Indoor unit type, RC type, number of Indoor units connected.)
Check Indoor unit type and RC type of all Indoor units connected to Network Convertor.
Cause 6 : Defective PCB of Indoor unit or Network Convertor.
Replace PCB of Controller PCB or Network Convertor.
Cause 3 : Power to Indoor unit is shut down.
Check the power to Indoor unit.
Cause 1 : External noise
After pressing SW104 of Network Convertor PCB for 5 seconds or turning on power.
Does error code display reappear?
It is not a defect of PCB. Remove the surrounding noise source.Remove the surrounding noise source.
YES
OK
NO
OK
OK
OK
OK
Trouble shooting 87
After the following are checked, the power supply is reset.
Check connection cable wire between Network Convertor and Indoor unit.
Check connection between Control PCB and Terminal.
Network Convertor (UTY-VGGXZ1)-
04-95
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