Merlin Commander Essential my Q capable MS65MYQ Installation And Operating Instructions Manual page 22

DIAGNOSTIC CHART
35
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
DIAGNOSTICS
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.
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