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Impinger I – 1400 Series Advantage Service Manual - Dom & Int’l
20
Conveyor Gear Motor If DC voltage is present A+ and A- and the motor does
not run, first check the mini breaker and then the
conveyor. Refer to the next possible cause. Check
motor brushes for excessive or abnormal wear,
replace as needed. Check the leads to the motor for
evidence of any shorts or opens, and each lead to
ground. If the motor fails the above tests, replace
motor.
Conveyor Check for any mechanical mis-alignment or improper
adjustment. Also check for worn bearings. The
Installation and Operations Manual shows proper
conveyor belt adjustment. A conveyor belt that is over
tightened will cause excessive bearing wear and
sometimes, irregular speed.
Conveyor speed
varying
Power Supply Check power supply at the DC control board for the
120 VAC at board terminals L1 and L2. If voltage is
not present, check main circuit breakers
DC Gearmotor If the DC control board is steady, then the problem
may be the motor or gearbox: Check the brushes in
the motor for excessive arching and/or unusual wear.
Check the motor and gearbox from instruction located
on page 20 under "possible cause" listing "Conveyor
gear motor".
Magnet Check to insure that the magnet cemented to shaft of
conveyor drive motor) has not been damaged, or
come loose from motor shaft. Replace as needed.
Hall Effect Sensor Check for any physical damage to Hall Effect Sensor
(mounted on conveyor stepper drive motor. Check all
wiring and connections for damage. Check all
connections for tightness or proper location and check
all wiring for visible damage. Replace as needed.