Faulty Tray Lift Motor (Related To Ms5); Faulty Tray Motor (Related To Pi9, Pi19) - Sharp AR-FN8 Service Manual

16. Faulty tray lift motor (related to MS5)

Cause
Tray position
Tray upper limit switch
(MS5)
Wiring
Finisher controller PCB

17. Faulty tray motor (related to PI9, PI19)

Cause
___
Finisher controller PCB
Tray lift mechanism
Tray lift motor (M5)
Tray lift motor clock
sensor 1/2 (PI9/19)
Finisher controller PCB
Step Checks
1 Is the tray at the tray upper
limit switch?
2 Check the tray upper limit
switch. Is the switch normal?
3 Check the wiring from the
finisher controller PCB to the
tray upper limit switch. Is the
wiring normal?
Step Checks
1 Does the tray move up/down?
2 Is the motor supplied with
power by the finisher
controller PCB as soon as the
tray moves up/down?
3 Is there a fault in the tray lift
mechanism?
4 Is the tray lift motor clock
sensor 1/2 normal?
CHAPTER 7 TROUBLESHOOTING
Yes/No
Yes Lower the tray.
No Replace the switch.
No Correct the wiring.
Yes Replace the finisher
controller PCB.
Yes/No
No Go to step 2.
Yes Go to step 4.
Yes Go to step 3.
No Replace the finisher
controller PCB.
Yes Correct the tray lift
mechanism.
No Replace the tray lift
motor.
No Replace the sensor
PCB.
Yes Replace the finisher
controller PCB.
Action
Action
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