LG AS-W0964DH0 Service Manual page 63

Error code Description
Indoor fan is locked
8
(BLDC fan model only)
Check flow
Indoor fan is rotating ? (1)
No
Check indoor unit
- remove obstacles in
indoor unit
- fan assembled correctly.
Error code Description
Outdoor fan is locked
9
(BLDC fan model only)
Check flow
Outdoor fan is rotating ? (1)
No
Check outdoor unit
- remove obstacles in
outdoor unit
• Indoor fan is locked or separated
• Fan connector is not connected to indoor pcb assembly
• Defective in DC-fan driving circuit
YES
Indoor fan is rotating ? (2)
No
Check soldering state of
CN-Motor1 & assembling
state of DC Fan connector
• Outdoor fan is locked by an obstacle (ex : branch of tree, bar...etc)
• Fan connector is not connected to outdoor pcb assembly
• Defective in DC-fan driving circuit
YES
Outdoor fan is rotating ? (2)
No
Check connector is not
connected to outdoor pcb
assembly (CN-FAN2)
Troubleshooting Guide
Cause of error
YES
DC–fan driving circuit is right ?
No
Check DC Fan Driving circuit
(Soldering state & Direction)
- R01F~R09F, C01F~C03F,
IC01F~IC03F, Q01F~Q02F, ZD01F
Cause of error
YES
DC –fan driving circuit is right ?
No
Check DC Fan driving circuit
(Soldering state & Direction)
- R01F~R05F, C01F~C03F,
Q01F~Q04F, ZD01F
Service Manual 63