Troubleshooting by Indication on the Remote Controller
122
Troubleshooting
YES
NO
Check if
any foreign
substances around
the fan.
Remove the
foreign
substances.
Cut the power supply OFF and wait for 10 minutes.
Check in the monitor mode
4HP ~ 6HP class models have 2 fans.
Check fan motor (fan motor 1 or 2) corresponding
to error code “E7” in the monitor mode of outdoor
unit PCB.
Check the connection status of the connectors
{
Fan motor 1: Connector of PCB
{
Fan motor 2: Connector of PCB
YES
NO
NO
Check if
any connector is
disconnected.
Insert the
connector.
YES
Relay
connectors have
any connection
error.
Correct the
connection of the
relay connectors.
Check the color of relay connectors
{
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.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
A
