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Troubleshooting
Tips on troubleshooting
Fault Control Yes/No Possible cause Remedy
Gate cannot be opened
or closed with buttons
or hand-held transmitter.
Is the “Mains” LED on? No No supply voltage. • Check connection.
• Establish missing connection.
Fuse defective. • Check fuse.
• Replace defective fuse.
Yes Gate jammed.
Gate leaf has sunk or
distorted because of high
temperature variations.
Fix misaligned gate leaves.
Motor hums but does
not move.
• Switch off immediately! Possible motor or control
unit fault.
• Contact customer service.
Operator unlocked. Lock operator.
Cable does not have
a contact.
Check the cable connection.
Gate frozen. Clear snow and ice from gate and hinges.
Snow is blocking the
movement zone of gate.
Clear snow.
Is the LED on the
transmitter on?
No Battery fl at. Replace battery.
Battery incorrectly inserted. Insert battery correctly.
Hand-held transmitter
defective.
Replace the hand-held transmitter.
Yes Range of the transmitter too
short due to weak battery.
Replace battery.
Radio receiver defective. Replace radio receiver.
Transmitter not
programmed.
Program transmitter.
Poor reception. Install external antenna, see “Accessories”.
Incorrect frequency. • Check frequency.
• Check that transmitter and radio receiver
are on the same frequency.
Does an LED on the radio
receiver come on if
a button on the transmitter
is pressed?
No Radio receiver not properly
plugged in.
Plug in radio receiver properly.
Radio receiver defective. Replace radio receiver.
Radio receiver without
power supply.
Replace radio receiver.
Transmitter not
programmed.
Program transmitter.
Is the “Mains + OPEN/
CLOSE” LED on?
Yes Continuous signal pending.
Pulse generator defective.
• Check pulse generator.
• Replace defective pulse generator.
“Mains + Safety” LED on? Yes Photo eye interrupted. * Remove interruption.
Does the fault occur
intermittently or for a short
time?
Yes Very powerful public
address systems in
hospitals or industrial
areas may interfere with
the radio control system.
• Change radio frequency.
• Contact source of interference.
Does “SH” LED fl ash
quickly?
Yes The control unit has stored
faulty values (e.g. due
to a short power failure).
• Reset the control unit.
• Reprogram the operator.
• If not possible, call customer service.
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