Daikin R71FUV1 Service Manual page 189

Si20-701_B
Troubleshooting
Caution
Check for the installation
conditions.
Is the stop
valve open?
YES
CHECK 4
High pressure is
too high.
NO
Check for the power
supply voltage.
The
voltage has
dropped.
NO
Spare PCB
is installed using
an adaptor not suitable
for the applicable
model.
(∗1)
NO
Note:
For details, refer to information in troubleshooting "PJ".
CHECK 4
182
Troubleshooting by Remote Controller
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
YES
YES
YES
Refer to P.464.
Open the stop
valve.
Correct the high
pressure.
Correct the
power supply.
Connect an
adaptor suitable
for the applicable
model.
Check for the
compressor.