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5. Trouble Shooting
6.9 Check code Trouble shooting CH09, CH10
Check the indoor fan
motor. (Fan is locked by
obstruction)
Is it normal ?
Yes
No
Remove obstruction
Check the connection
status between PCB and
fan motor
Is it normal ?
Yes
No
Correct connection Or re-soldering PCB
Check the DC Motor
signal
Is it normal ?
No
Change Indoor Motor
Check Flow Chart
09
10
EEPROM
Check sum (Indoor)
BLDC motor
fan lock (Indoor)
• Check sum error
• Fan motor break down
• Fan motor & PCB poor
contact
• Obstruction to the fan
• Check the poor soldering.
• Change PCB
• Check the indoor fan motor.
• Check the connection status between
• PCB and fan motor.
Display
code
Title Cause of error Check point & Normal condition