Technical data

Rev. 9/27/2009 Manual #001451 20
Operation
High Speed Doors
Trouble Shooting Continued...
DISPLAY OR DOOR
Problem Possible Cause Corrective Action
Door does not close. Held open by safety input or ac-
tivator input.
Reversing edge activated.
Breakaway activated.
Check display readout. Check
for lit LED on modules A and B.
Remove corresponding wire on
module A. For lit LED-if door
closes: faulty activator.
If LED stays lit and door stays
open: faulty module.
Held open if loop installed.
Check loop module for lit LED.
Remove loop wires from module
terminal strip.
If door closes: faulty loop wire.
If door remains open and LED
stays lit after removal of loop
wires: faulty module.
Check display reset.
Check for bad wire connection.
Check that edge is not pinched.
Check display reset.
Check for bad wire connection.
Check that edge is not pinched.
Door does not open or close. Brake not disengaging.
No encoder change, no position
change.
Encoder com loss of signal.
Check power at terminals 5 and
6 below module C for 24 VAC.
Check power at terminals B1
and B2 for 3 phase power.
Door jammed: clear jam
Broken drive shaft.
Call manufacturer.
Check for loose connections or
broken cable.
Check for encoder mounting.
Call manufacturer.