Sharp SF-S55N Service Manual page 68

SF-S55N
J Bin shift motor error
Causes/Defective parts Step
Cable 1
Circuit breaker 2
24V power 3
supply failure
4
Bin shift motor 5
(M9)
Bin shift motor 6
driver PWB
Sorter controller
PWB
Checking
Check that the cable between the bin shift motor
driver PWB and the sorter controller PWB has
been connected correctly.
Check that the circuit breaker (CB1) provided on
the sorter controller PWB is operative.
Set the tester to the 50VDC range. Check that
voltage between J1-4(+) and J1-3(-) provided on
the sorter controller PWB is about 24V.
Check that voltage between J2-2(+) and J2-1(-)
provided on the sorter controller PWB is about
24V.
Check that pulse output is obtained at the
connectors J602-2 to 6 provided on the bin shift
driver PWB with bin shift motor (M9) operation
timing. Check also that +24V is obtained on
J602-1,2.
Check whether normal operation is restored by
replacing the bin shift motor driver PWB.
Results
NO
YES
NO
NO
NO
YES
NO
7−12
Corrective action
Connect correctly.
After removing the cause of
actuation of circuit breaker press
the circuit breaker.
Check the 24V power supply for
the copying machine.
Check the 24V power supply for
the copying machine.
Check the wiring to the bin shift
motor. If it is normal, replace the
bin shift motor.
Replace the bin shift motor driver.
Replace the sorter controller PWB.