Daikin R71FUV1 Service Manual page 158

Troubleshooting by Remote Controller
Troubleshooting
Caution
Check the installation
conditions.
Is the stop
valve open?
YES
Are
control and
protection high
pressure switch
connected to
outdoor unit
PCB?
Turn OFF the power
supply. Wait for 10
minutes after compressor
stops operating, then
check the following.
Is
there
continuity in control
and protection high
pressure
switch?
CHECK 4
Is high pressure
abnormally
high?
Set the remote controller
and turn ON again.
A
CHECK 4
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
NO
YES
NO
YES
YES
NO
Refer to P.464.
Si20-701_B
Open the stop
valve.
Connect
correctly.
Replace the high
pressure switch
with no
continuity.
Correct the high
pressure.
151