26
TROUBLE SHOOTING (ONBOARD DIAGNOSTICS)
Your opener is equipped with a self diagnostic
program which can provide trouble status through
as series of flashes of the Indicator Light under the
Lens Cover.
1 Flash:
Safety reversing sensors wire open (broken
or disconnected).
OR
2 Flashes:
Safety reversing sensors wire shorted or
black/white wire reversed.
Symptom: One or both of the Indicator lights on the
safety reversing sensors do not glow steadily.
• Inspect sensor wires for a short (staple in wire), correct
wiring polarity (black/white wires reversed), broken or
disconnected wires. Replace/attach as needed.
• Disconnect all wires from back of opener.
• Remove sensors from brackets and shorten sensor
wires to 300-600mm from the back of each sensor.
• Re-attach sending eye to opener using shortened
wires. If sending eye indicator light glows steadily,
attach the receiving eye.
• Align sensors. If the indicator lights glow, replace the
wires for the sensors. If the sensor indicator lights do
not light, replace the safety reversing sensors.
3 Flashes: Control console or wire shorted.
Symptom: No LCD Display.
• Inspect control console/wires for a short (staple in wire.
Replace as needed).
• Disconnect wires at control console and touch wires
together. If opener activates, replace control console.
• If opener does not activate, disconnect control console
wires from opener. Momentarily short across red and
white terminals with jumper wire. If opener activates,
replace control console wires.
Indicator Light
Black Button
Orange Button
4 Flashes: Safety reversing sensors slightly
misaligned (dim or flashing LED).
Symptom: Sending indicator light glows steadily,
receiving indicator light is
dim or flashing.
• Realign receiving eye sensor, clean lens and secure
brackets.
• Verify door track is firmly secured to wall and does not
move.
5 Flashes: Possible RPM sensor failure. Unplug to
reset.
Symptom: RPM Sensor = Short travel 150-200mm.
• Unplug opener to reset. Try to operate opener, check
diagnostic code.
• If it is still flashing 5 times and opener moves 150-
200mm, a service will be required.
