Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Check in the monitor mode
4HP ~ 5HP class models have 2 fans.
Check electric motor (electric motor 1 or 2) corresponding to malfunction code
"E7" in the monitor mode of outdoor unit PCB. (Refer to P.104, 105 for how to
Cut the power supply OFF and wait for 10 minutes.
any foreign substances
around the fan.
Check the connection status of the connectors
Fan motor 1: X106A of PCB
Fan motor 2: X107A of PCB
if any connector is
Fan motor 1: Both power supply wire and signal wire are all white.
Fan motor 2: Both power supply wire and signal wire are red in the PCB side
and white in the motor side.
connectors have any
Troubleshooting by Indication on the Remote Controller
Remove the foreign substances.
Insert the connector.
Correct the connection of the