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Trouble Shooting
The following charts list possible problems that may occur in the operation of the ProSort.
TROUBLE SHOOTING DRIVES
TROUBLE
Conveyor will not start or shuts off automati-
cally during operation.
Conveyor takes long time to reach speed or
conveyor jerks when starting.
Divert shoes "jump" during diverting.
Inoperative divert switch.
All divert switches inoperative.
26
CAUSE
1) Jam eye blocked.
2) Tripped internal safety switch.
3) Pop-up rollers "UP".
4) Proximity switch for internal safety switch
or pop-up rollers mis-adjusted or defec-
tive.
5) Low air pressure.
a) Regulator set low.
b) Air line restricted or broken.
c) Air filter clogged.
d) Compressor problem.
6) Electrical circuits.
7) Variable speed drive mis-adjusted/ defec-
tive.
8) Drive motor defective.
1) Variable speed drive mis-adjusted or
defective.
1) Divert shoe tight on slats.
2) Flight tubes dirty.
3) Flight tubes bent.
4) Switch mis-adjusted.
1) No air pressure to cylinder.
2) Air solenoid valve defective.
3) Proximity switch mis-adjusted or defective.
1) Loss of power to air solenoid valves.
2) Controls failure.
SOLUTION
1) Unblock jam eye.
2) Determine cause of tripping: foreign debris, mislocated divert
shoes, etc., and correct problem.
3) Determine reason for rollers popping up and correct problem.
4) Adjust or replace proximity switch.
5) Determine reason for low air pressure and correct problem.
6) Check power and wiring.
7) Refer to variable speed drive manufacturer's manual for trouble
shooting.
8) Replace motor.
1) Refer to variable speed drive manufacturer's manual for trouble
shooting.
1) Replace divert shoe or bent slats.
2) Clean surface. (Refer to Preventive Maintenance Details, Page
30.)
3) Replace bend slats.
4) Refer to Divert Switch Checklist, Page 20.
1) Restricted or broken air line.
2) Replace.
3) See page 20 for proper adjusting or replace.
1) Correct problem.
2) Trouble shoot control system.
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