Daikin R71FUV1 Service Manual page 305

Si20-701_B
Troubleshooting
Output current check
Caution
Power
ON
Power
OFF
298
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
A
current
of not less than
15A flows through the
compressor.
NO
Is
the stop valve
open?
YES
Are wire
connections
properly made
(according to the
Wiring
Diagram)?
YES
Disconnect the cable from
the compressor, and then
check the compressor for
the insulation resistance.
The
insulation
resistance is low, i.e.,
not more than
100kΩ.)
NO
A
Troubleshooting by Remote Controller
YES
NO
NO
Check the
compressor
cable for any
disconnection
or flaws.
YES
Overcurrent:
Check the
compressor and
refrigerant
system (in the
same manner as
E3
that for ).
Open the stop
valve.
Rectify the wire
connections.
Replace the
compressor.