Fault diagnosis and Trouble shooting guide
Title
Display
code
Cause of errorMeaning
No
Is the transmission
line connection /
Connector normal?
Yes
Is the transmission
circuit of main PCB
normal?
Yes
Check and Replace the
main PCB
No
Check and replace the
inverter PCB
Repair the connection /
connector
Transmission
error from
indoor unit to
main PCB in
the outdoor
unit
53
• The connector for transmission disconnected
• The transmission line is misconnected or shorted
• Transmission circuit of main PCB is abnormal
• Transmission circuit of indoor unit PCB is
abnormal
In the case that main PCB
can not receive any signal
from indoor unit
successively for 3minutes
Trouble shooting Flow
To Next Page
Loading...
