Daikin RXYQ96PYDN, Руководство по обслуживанию

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SiUS34-801A_b Troubleshooting by Indication on the Remote Controller
Troubleshooting 369
Troubleshooting
Replace the corresponding
fan motor.
YES
YES
Replace fan motor 2.
NO
NO
NO
The signal
wire short circuits
between Vcc and GND
and between UVW
and GND.
HAP lamp
for the A5P does not
blink on the condition that
HAP lamp for A2P
is blinking.
YES
No continuity
of fuse (FIU) on the fan
inverter PC board.
NO
Replace the corresponding
fan motor.
YES
Unable to
rotate the fan manually
with ease when removing
the connector of the
fan motor.
NO
Replace the corresponding
fan motor.
YES
Resistance
value between the power
supply wire terminal of fan motor
and the motor frame (metal) is
1M
Ω
and below.
NO
Replace the corresponding
fan motor.
YES
The resistance
value between UVW phases
of fan motor is out of balance, or
short circuit between
UVW phases.
Check 1
Check fan motor connector (power supply wire)
Check 2
Check fan motor connector (signal wire)
Put the power supply ON to check the following
LED lamps.
1) HAP lamp on the compressor PC board (A2P)
2) HAP lamp on the fan inverter PC board (A5P)
(Referring to the information on P461)
(Referring to the information on P461)
Replace fan inverter PC
board.
Replace fan inverter PC
board.
A