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Si20-701_B
Troubleshooting by Remote Controller
160
Troubleshooting
Are the
connection of
the connector on
PCB and the
connection to the
switch unit
normal?
NO
YES
YES
Is the stop
valve open?
Correctly
connect.
Is
there
continuity in
the high pressure
switch connecting
line?
NO
YES
Replace the
connecting line.
Is
there
continuity in the
high pressure
switch?
NO
Replace the high
pressure switch
with no
continuity.
NO
Open the stop
valve.
After turning OFF the
power and stopping the
compressor for 10
minutes, check the items
below.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
A