Haier AU052FPERA - [53] CT Current too low or current sensor failure

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[53] CT Current too low or current sensor failure
Check if where between
connecting board and CT
board is connected well (CN9)
Check if it is normal after
replacing CT board
CT board is broken down
Check if CT wire is conductive
Re-connect
Replace wire
Replace connecting board
No
No
No
Yes
Yes
Yes