Honeywell Pallet Accuglide ZoneFlex Accumulation Conveyor - Page 102

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