User Guide 1/4 - 2 HP, 115/230 VAC

47Troubleshooting
Problem Possible
Causes
Suggested
Solutions
Motor does not
reverse
Motor makes a
humming or buzzing
noise
FWD or REV JOG
speed is too slow or
too fast
Touch panel, logic
board, or power
board connections
might be loose.
Deadband setting is
too high.
FWD or REV JOG
speed not
calibrated.
Check all
connections.
Turn deadband (DB)
trimpot CCW until the
noise stops.
Calibrate FWD JOG
and REV JOG
trimpots (see
Calibration section).
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