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5. Trouble Shooting
6.24 Check code Trouble shooting CH67
Check the indoor
fan motor. (Fan is locked
by obstruction)
Is it normal ?
Check the connection
status between PCB
and fan motor
Check the DC Motor
signal
Is it normal ?
Yes
Yes
No
Remove obstruction
No
Correct connection Or re-soldering PCB
Is it normal ?
Repair or Change the PCB.
Yes
No
Change Indoor Motor
Check Flow Chart
67
BLDC motor
fan lock (Outdoor)
• Fan motor break down
• Fan motor & PCB poor
contact
• Obstruction to the fan
• Check the indoor fan motor.
• Check the connection status between
• PCB and fan motor.
Display
code
Title Cause of error Check point & Normal condition
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