Daikin R71FUV1 Service Manual page 153

Si20-701_B
Troubleshooting
Caution
Check the installation
condition.
Is
the stop valve
opened?
YES
Are
HPS's for
control and safety
connected to the
outdoor unit
PCB?
(∗1)
YES
Turn OFF the power
supply and check the
following after letting the
compressor rest for 10
minutes.
Do the
HPS's for
control and safety
have continuity?
YES
Is high
pressure during
operation abnormally
high?
NO
Reset remote controller
and operate again.
A
146
Troubleshooting by Remote Controller
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
NO
NO
YES
Open the stop
valves.
Connect
correctly.
Replace the HPS
without
continuity.
Correct
refrigerant piping
circuit