LG Single A Svc Manual page 87

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