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Troubleshooting
Problem
Unit will not rock (though
power light illuminates).
Unit will not rock (power light
Rocker speed has decreased. Gears in gear motor failing.
Timer does not function.
Timer does not turn off after
elapsed time has expired.
Timer inaccurate.
Internal components are
corroded.
Fuse on PC board repeatedly
blowing.
10
Cause
Timer is defective.
Defective motor, printed circuit board
or speed control.
Fuse blown on PC board.
Unit is unplugged or power supply
does not illuminate).
Cord set defective.
Carbon buildup in motor.
Excessive loading.
Calibration changed.
Defective timer.
Knob setscrew loose.
Defective timer.
Knob slipped on shaft.
User reading wrong Hz scale.
Excessive humidity.
Corrosive atmosphere.
Wrong size fuse installed.
Defective motor.
Rocking platform jammed.
Solution
Replace timer.
Replace appropriate part.
Replace fuse.
Verify that unit is plugged into a
is bad. working power supply.
Replace cord set.
Replace motor.
Operate at maximum speed for 1
hour.
Reduce load weight.
Recalibrate unit.
Replace timer.
Tighten setscrew and recalibrate.
Replace timer.
Replace knob or tighten setscrew.
Use the 60 Hz scale for 60 Hz power
supplies or the 50 Hz scale for 50 Hz
power supplies.
Decrease humidity.
Remove from corrosive atmosphere.
Use correct size fuse.
Replace motor.
Remove obstruction.
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