Fault diagnosis and Trouble shooting guide
Title
Display
code
Cause of errorMeaning
No
Is the R,S,T power
line connection
normal?
Yes
Is the operation normal?
Check and replace
inverter PCB
No
Repair the connection
Exchange the connection of two of the
R,S,T line
Reverse
connection of
R,S,T power
line
54
• Inverter PCB is abnormal
• One of the R,S,T line is disconnected
• Connection order of R,S,T line is changed
Trouble shooting Flow
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