Daikin RTSQ20PY1 Service Manual page 295

SiBE31-801_C
Troubleshooting
Troubleshooting
Continued from the previous page.
(Start failure due to aged operation.)
Refrigerant is
sleeping. (The unit is
out of power supply
for more than 6
hours.)
YES
Check if the
insulation resistance
of the compressor is
100kΩ or over.
YES
Is inside the
compressor
broken?
NO
∗
CHECK 4
Check if the
power transistor
is normal.
YES
∗
CHECK 4
: Referring to the information on P.341.
Troubleshooting by Indication on the Remote Controller
NO
NO
YES
NO
Cancel the sleeping state of
refrigerant.
Replace the inverter compressor.
Replace the inverter compressor.
Replace the compressor inverter
PCB.
Recheck the compressor/
refrigerant circuit.
284