Saftronics DG2 PLUS Series User Manual

SAFTRONICS
7
SYMPTOM PROBABLE CAUSE
Motor does not run
- No Run command.
- Speed reference at 0 volts.
- Blown fuses or no AC source.
AC line fuse/fuses blown
- SCR block shorted.
- Field diodes shorted.
- Grounded motor armature or
field.
Motor runs at slow speed with
the speed pot set fully cw.
- Max speed set too low.
- Drive in current limit.
- Bad speed pot.
Motor unstable.
- IR comp turned too high
- Voltage stability set
incorrectly.
- Current stability set
incorrectly.
- Max speed set too high.
Motor overspeeds with low
speed reference
- Max speed set too high.
- Tach input reversed (if used).
- No tach feedback if in tach
mode.
Motor drifts at zero speed
- Requires anti-drift board
p/n AA1060-B
5.0 TROUBLESHOOTING

Saftronics DG2 PLUS Series Specifications

General

Brand	Saftronics
Model	DG2 PLUS Series
Category	Control Unit
Language	English