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
- 107 -
5. Trouble Shooting
Check point & Normal condition
• Check the indoor fan motor.
• Check the connection status between
• PCB and fan motor.
LGE Internal Use Only