Daikin RQYQ140-180PY1, Руководство по обслуживанию, Страница: 167 / 231

SiBE341001 Troubleshooting by Remote Controller
Troubleshooting 158
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Correct the fault.
Replace the compressor.
Replace the fan motor.
If the fan motor is badly
damaged, replace the
inverter PCB (A4P).
Replace the inverter PCB (A3P).
Replace the inverter PCB (A3P).
If the inverter PCB is badly
damaged, compressor and
fan motor are likely to get
faulty.
YES
NO
YES
NO
NO
YES
NO
YES
There are
problems on the
condition of power supply
described
above.
NO
YES
The
insulation resistance
of compressor is not
more 100k
Ω
.
The
insulation resistance
of fan motor is not
more 1M
Ω.
CHECK 4
Is the power transistor
normal?
Has the
inverter PCB caused
damage?
Check the condition of the
power supply.
Check if power supply
voltage is 380 to 415V.
Check if there is open
phase or faulty wiring.
Check if power supply
voltage side unbalance is
with in 6V.
Remove and insert the
connectors shown below.
X4A (A3P)
↔
X20A (A1P)
X6A (A3P)
↔
X28A (A1P)
A