Daikin RQYQ140-180PY1 Service Manual page 128

Troubleshooting by Remote Controller
Troubleshooting
119
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Check in the monitor mode
Check electric motor (electric motor) corresponding to
malfunction code "E7" in the monitor mode of outdoor unit
PCB. (Refer to P.106~P.107 for how to check)
Cut the power supply OFF and wait for 10 minutes.
Check if any foreign
substances around
the fan.
Check the connection status of the connectors
Fan motor: relay connector or X1A, X2A of compressor
inverter PCB.
Check if any
connector is
disconnected.
Check the color of relay connectors
Fan motor: Both power supply wire and signal wire are all
white.
Relay
connectors have
any connection
error.
A
YES
NO
YES
NO
YES
NO
SiBE341001
Remove the foreign substances.
Insert the connector.
Correct the connection of the relay
connectors.
Troubleshooting