Specifications

Maintenance and Troubleshooting
ADDvantage-32 PLUS ● AC to DC Power Converter
7-18
FAULT MESSAGE PROBLEM SOLUTION
SCR SHRT A- Shorted SCR-CR4 or snubber
on 510 ADC and below units
or
Shorted SCR-A104 on
540 ADC and above units
a. Replace bridge interface board and
snubber board if applicable.
b. Replace SCR module.
c. Replace microprocessor board.
SCR SHRT B- Shorted SCR-CR5 or snubber
on 510 ADC and below units
or
Shorted SCR-A105 on
540 ADC and above units
a. Replace bridge interface board and
snubber board if applicable.
b. Replace SCR module.
c. Replace microprocessor board.
SCR SHRT C- Shorted SCR-CR6 or snubber
on 510 ADC and below units
or
Shorted SCR-A106 on
540 ADC and above units
a. Replace bridge interface board and
snubber board if applicable.
b. Replace SCR module.
c. Replace microprocessor board.
SINK TEMP Heat sink > 65ºC. a. Allow drive to cool.
b. Replace thermistor RT1.
c. Replace bridge interface board.
d. Replace microprocessor board.
TUNE FAULT Self tune failed. a. Self tune aborted by operator.
b. Run removed.
c. Motor/Drive not compatible; must
manually tune.
d. Iarm cont > 80%. Check Iarm feedback
wires at bridge board for correct
polarity. If correct, manually tune.
TUNE PASS Self tune routine has passed. Remove the run and clear the fault.
USER 1-8 FLT Digital bit configured to
Y:XXX parameter. USER
FLT X has gone high (1).
Check configuration for USER FLT X.
XXXXXXXXXXX DPB: Label configured to
USER FAULTS 1-8.
Check function of software block that
causes the output bit to go high.
SWR WTCHDOG Problem detected by
microprocessor: portion of
the firmware not executing as
expected
a. Insure valid drive installation, including
good grounding, good signal routing,
proper cable shield terminations, etc
b. Replace microprocessor board