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Troubleshooting
Check alarm #
#14
Earth
(ground) fault
# resistance < 500 K
Replace compressor and return it for
inspection if under warranty
Check alarm #
#68
Safe stop
activated by HP
(High Pressure)
switch trip
Reset high
pressure switch
and Reset the
drive.
46
AB444226142054en-000101
Power OFF the unit
Disconnect power
cable at compressor
electrical box
Perform an insulation
resistance test on the
compressor with
'megger' tester. 500V
#36
Mains failure
Power
shortage while
compressor
was running.
Probably not
a drive nor
compressor
problem
Check unit main
power supply (for
example other
unit connected
on same power
supply creating
voltage drop at
start)
#A45
Earth
(ground) fault
Replace drive and return it for inspection
if under warranty
#38
Internal fault
Check the code
number
associated (refer
to the Operating
Instructions)
Power OFF /
power ON the
drive
Alarm remaining
Probable that the
drive must be
returned for
inspection if
under warranty
# resistance > 500 K
#
Others
Return the drive
for inspection
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