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Troubleshooting
Symptom
Brake stays up.
Brake does not go up.
Operational Zone's control
components not
functioning to raise the
zone's drive chain/pad and
drive the carrier rollers
Excessive product line
pressure
Pallet Accuglide ZoneFlex Accumulation Conveyor
96
Probable Cause
Button stuck on brake valve.
Piston in pilot operator is
stuck.
ZoneFlex™ Module not
receiving 24VDC electrical
power. (LED indicators not
lit.)
ZoneFlex Module not
receiving sufficient air
pressure (25 psi).
Photo-eye (unblocked) and
reflector not properly aligned
(Red LED indicator not lit).
Photo-eye Sensor(s) not
blocked.
Drive pad not dropping away
from carrier rollers.
ZoneFlex valve not
exhausting.
Corrective Action
Take off pilot operator and
work button free, then re-
install pilot operator or
replace brake valve.
Work piston free or replace
pilot operator.
Turn ON main power
source.
Turn ON 24VDC Power
Supply.
Secure
Power/Communication
Cord/Power Supply
connections.
Replace defective ZoneFlex
Module.
Turn ON air source.
Set pressure regulator.
Secure air-line
connection(s).
Adjust photo-eye mounting
bracket.
Reposition the photo-eye
height or angle if the photo-
eye beam is looking
through pallet opening.
Clear obstruction.
Clean carrier rollers.
Clean drive pad.
Cehcl operation of
ZoneFlex valve and replace
if defective.
Maintenance Manual
|
| 29334206
February 14, 2018
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Table of Contents
Troubleshooting
