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ELECTRICAL ERRORS
CAUSE
CORRECTION
Blank screen on PLC but power to other
devices in the control panel
Door switch circuit not making
Press door switch in and check PLC screen
PLC has developed an electrical fault or had a
power spike
Change PLC
Barrier does not run (stays open)
Check inverter is in ready (rdy) mode on display
Power down then back up
Loop detector is faulting or sensing presence
Clear obstacle or reset the detector
Check inverter settings
ACC - 6.0 DEC – 2.0 LSP – 25-40 (Variable)
Barrier staying up in raise position
Access control giving a constant pulse shorten
this
Photo cell batteries (if fitted)
Check that the fitted batteries still have power to
them. They should only be replaced with special
3.6V Lithium-ion batteries made for purpose.
These can be provided by your supplier
Photo cells dirty (if fitted)
Clean photo cells make sure they are debris free
Mains on but no power
Isolator fuse
Check and meter fuse in isolator
Barrier not going up
Access control may be faulty
Remove and check barrier function via the PLC
Barrier Staying up
Car has driven off before clearing the loop
Complete cycle by going through the ground
loop
“Stop Circuit Broken” displaying on screen
Barrier door is open
Close door or check switch for faults
Barrier staying open and not closing
If photo-cells fitted then batteries may have
expired
Check and if needed replace batteries
Faulty loop detector
Check & set or replace faulty unit
Barrier does not have loops fitted or these have
been removed
Call the technical department for assistance the
program/wiring needs to change
Key switch left in open position
Put the switch back into the “Auto” position
Permanent supply/signal to the raise terminals
Check wiring to terminal blocks remove any
access control try again
Barrier programmed for safety only or barrier is
on a timer
Contact your supplier for a program
modifacation chip
39
Troubleshooting Guide
in
Parking and access control equipment manufactured in the UK
Automatic Raise Arm Barriers
Содержание PF6000
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