Chamberlain Merlin MS65MYQ Installation And Operating Instructions Manual page 22

Sectional garage door opener
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34
DIAGNOSTIC CHART
Your garage door opener is programmed with self-diagnostic capabilities. The UP and DOWN arrows on the garage opener flash the diagnostic
codes.
DIAGNOSTIC CODE
UP Arrow DOWN Arrow
Flash(es)
Flash(es)
1
1
1
2
1
3
1
4
1
5
1
6
2
1-5
2
6
3
2
3
3
4
1-4
4
5
5
1-4
5
5
SYMPTOM
The garage door opener will not
close and the courtesy light flashes.
The garage door opener will not
close and the courtesy light flashes.
The door control will not function.
The garage door opener will not
close and the courtesy light flashes.
There is no door movement or motor
accelerates before stopping
suddenly.
Door continues to move after the
motor stops.
Opener fails to operate.
Unable to set travel limit down
direction. Passpoint has not been
recognised during programming.
Unable to set the travel or retain
position.
The battery status LED* is constantly
flashing green.
Door is moving stops and or
reverses.
Opener runs approximately 150 mm
to 200 mm, stops and reverses.
Door fails to operate or operates
erractically. External accessory
wiring failure.
Door opener fails to operate.
POSSIBLE RESOLUTION
The Protector System™ (IR Beams) are not installed, connected or wires may be
cut. Inspect The Protector System™ (IR Beams) wires for a disconnected or cut wire.
There is a short or reversed wire for the The Protector System™ (IR Beams). Inspect
safety sensor wire at all staple points and connection points and replace wire or
correct as needed.
The wires for the door control are shorted or the door control is faulty. Inspect The
the wire at all staple points and connection points and replace wire or correct as
needed.
The Protector System™ (IR Beams) are misaligned or were momentarily obstructed.
Realign both sensors to ensure both LEDs are steady and not flickering. Make sure
nothing is hanging or mounted on the door that would interrupt the sensors path
while closing.
No RPM pulses have been detected. Check the door manually for balance, binding
or obstructions. Internally the possible cause may be the motor, logic board or RPM
sensor. Try resetting door travel limits. Contact service centre.
RPM pulses have been detected after motor has turned off. Possible broken spring.
Check the door is correctly balanced and not creeping up or down. Contact a door
service centre.
Possible logic board failure. Reboot opener by turning the mains power OFF and
then ON after 15 seconds. Reprogram the door travel limits and force settings.
Contact service centre.
Check the passpoint module has been activated by the chain Position Tab, during
the door travel. Reset the travel limits.
Check travel module for proper assembly, replace if necessary.
Battery backup charging circuit error, replace logic board *(if applicable).
Manually open and close the door. Check for binding or obstructions, such as a
broken spring or door lock. If the door is binding or sticking contact a trained door
systems technician. If door is not binding or sticking attempt to reprogram travel
(refer to "Program the Travel Limits and Force" section).
Communication error to travel module. Check travel module connections, replace
module if necessary.
Check the external wiring to the control panel terminal is wired correctly. Turn off
power, remove all external wiring, and retest door operation.
Low internal voltage on the Logic Board, possible power transformer or logic board
failure. Service required, call a trained service specialist.
21

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