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3
Troubleshooting Guide
The electronic control board LEDs help with wiring and troubleshooting diagnostics. Every LED indicates the status of
the door. The electronic control board has a non-volatile memory and the LEDs return to their initial state after a
power interruption.
Easy Fix: Before starting any intervention, verify the LED's monitoring status and refer to Table 5, p.22 for a
proper diagnosis.
Table 15 - Troubleshooting Guide - Part 1
Symptom
Probable Cause
Suggested Action
Door doesn't respond
to any command
Chain hoist is in engaged position, if
applicable. (LED D9 is OFF)
➔
Return the chain to its neutral
position (electrical mode). Refer to
p.12 for further details.
Disconnect chain is in engaged position, if
applicable . (LED D9 is OFF)
➔
Release tension from the
disconnect chain and secure the chain
keeper. Refer to p.12 for further
details.
“Stop” button is stuck. (LED D9 is OFF)
➔
Press and release any “Stop”
button.
Control station is not connected or is wired
incorrectly. (LED D9 is OFF)
➔
Verify and correct wiring.
No power supply. (LED D2 is OFF)
➔
Verify the incoming power line from
the main breaker, making sure it has
not tripped or blown a fuse.
Operator is not
operating as expected
Selector switch is not set on the desired
mode.
➔
Set switch on desired mode, refer
to p.24 for further details.
Timer to Close doesn't
close the door
Timer to Close has been suspended
accidentally for ONE cycle.
➔
Timer to Close will return to normal
after the door has been fully closed.
Refer to p.25 for further details.
Door doesn't respond to
any radio command
No power supply. (Transmitter light is OFF)
➔
Replace the transmitter's battery.
Transmitter is not properly programmed.
➔
Reprogram the transmitter.
Photo cells are not properly aligned or are
obstructed.
➔
Clear the obstruction or re-align
photo cells.
Door doesn't respond
to “Open” command,
but does respond to
“Close” command
Defective “Open” push-button or “Open” limit
switch.
➔
Replace push-button or limit
switch.
Loose wire on “Open” push-button or
“Open” limit switch.
➔
Verify and correct wiring.
Door doesn't respond
to “Close” command,
but does respond to
“Open” command
Defective “Close” push-button or “Close” limit
switch.
➔
Replace push-button or limit
switch.
Loose wire on “Close” push-button or “Close”
limit switch.
➔
Verify and correct wiring.
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