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