Daikin SkyAir RZQ200 · 250C7Y1B Service Manual page 138

SiBE26-701
Check the fan motor connector (power
supply wire)
Check 2
Check the fan motor connector (signal
wire)
Put the power supply ON to check the
following LED lamps:
HAP lamp above the compressor inverter
PC board (A2P)
Troubleshooting
A
No continuity on
the fan inverter
PC board fuse
(FIU)
NO
Unable
to rotate the fan
manually with ease when
removing the connector
of the fan
motor
NO
The
resistance
value between the
power supply wire terminal
of fan motor and the motor
frame(metal) is 1MΩ
and below.
NO
Check 1
The
resistance
value between UVW
phases of fan motor is out of
balance, or short circuit
between UVW
phases
NO
The signal
wire short circuits
between Vcc and
GND / UVW and
GND
NO
HAP
lamp for the
A4P does not blink on
the condition that HAP
lamp for A4P is
blinking.
NO
YES
YES
YES
YES
YES
YES
Diagnosis by Remote Controller
Replace the fan inverter PC board
Replace the corresponding fan motor
Replace the corresponding fan motor
Replace the corresponding fan motor
Replace the corresponding fan motor
Replace the fan inverter PC board
Replace fan motor 2
127