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Trouble shooting 78
Error Contents :
Software Error
Details :
Condition of occurrence : Micon program performed an abnormal control.
Release condition : Micon has been reset, and the control of Network Convertor became normal.
Cause 1 : External noise
p Check continuation of error.
(1) If error is released automatically, it is not a defect of PCB. Remove the surrounding noise source around Network Convertor.
(2) If error is not released automatically, check followings.
OK
pAfter pressing SW104 of Network Convertor PCB for 5 seconds or turning on power.
Does error code display reappear?
YES
Remove the surrounding noise source.
OK
Cause 2 : Network Convertor is defective.
Replace Network Convertor.
Trouble shooting 79
Error Contents :
Indoor / Outdoor Unit Error
Details :
Condition of occurrence : When error occurred on Indoor/Outdoor unit that is connected to Network Convertor.
Release condition : When the error of Indoor/Outdoor unit that is connected to Network Convertor is released.
Cause 1 : Error occurred in Indoor unit
Refer to Indoor Unit trouble shooting. (Trouble shooting 1~12)
Cause 2 : Error occurred in Outdoor unit
Refer to Outdoor Unit trouble shooting. (Trouble shooting 13~48)
Symptom :
Error Code display [ 21 ]
All the control items do not operate.
It is not a defect of PCB. Remove the surrounding noise source.
Symptom :
Error Code display [ 32 ]
Other controls are left as they are.
OK
NO
06-78
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Table of Contents
Troubleshooting
