Daikin SkyAir RZQ200 · 250C7Y1B Service Manual page 119

Diagnosis by Remote Controller
Troubleshooting
*1 When there is a relay connector between the connector (X20A) on the indoor PC board and
108
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Turn off the power supply.
Wait for 10min.
Is there any
foreign matter
around the fan?
NO
Is the
harness from the
fan motor correctly connected
to X20A connector on
A1P?
*1
YES
With
transfer connector
between the fan motor and
X20A disconnected, can
the fan be easily
turned by
hands?
YES
Check No. 1
Check for the fan motor
connector.
Is
the resistance
between each pins
above judgment
standard?
YES
the fan motor, check if the relay connector is correctly connected.
YES
NO
NO
NO
SiBE26-701
Remove the foreign matter.
Connect correctly.
Replace the fan motor.
Replace the fan motor.
Replace the indoor unit PC board.
Troubleshooting