Breaker Trip
Occurs
Go to Breaker Trip
Procedure
Inspect terminal connector
to compressor for open
circuits
Was a repair of
connection required?
No
Yes
Go To: Compressor
Verification: Parameters
Drive Current
Failures
Any Error 177 within
30 seconds of operation
+VDC -VDC
ELECTRICAL
HAZARD
Failure to follow this
warning c
ould result in
personal injury or death.
WAIT TWO (2) MINUTES
after disconnecting power prior
to touching electrical
components as they may hold
a dangerous charge
of 400VDC, then verify DC
Voltage is less than 42 VDC
at inverter test points
labeled +VDC and -VDC before
servicing board.
400 VOLTS
WARNING
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