Diagnostic Chart - Merlin WeatherDrive MR555MYQ Installation And Operating Instructions Manual

DIAGNOSTIC CHART

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Your garage door opener is programmed with self-diagnostic capabilities. The indicator LEDʼs 1 & 3 on the control panel will flash a
number of times to indicate a fault code exists.
DIAGNOSTIC CODE SYMPTOM
LED1 LED2
1 1 The garage door opener will not
close and the courtesy light
flashes.
1 2 The garage door opener will not
close and the courtesy light
flashes.
1 3 The door control will not
function.
1 4 The garage door opener will not
close and the courtesy light
flashes.
1 5 There is no door movement or
motor accelerates before
stopping suddenly.
2 1 Opener fails to operate.
2 2 Opener fails to operate.
2 4 Opener fails to operate using
the transmitters
4 1 Door is moving down, stops
and reverses.
4 2 Door is moving up, stops and
reverses.
TM
Trademark of The Chamberlain Group LLC
® Registered Trademark of The Chamberlain Group LLC
© 2022 The Chamberlain Group LLC
OPERATION AND MAINTENANCE
POSSIBLE RESOLUTION
The Protector System
cut. Inspect sensor wires for a disconnected or cut wire. Turn power off
and reboot the opener.
There is a short circuit wire for the The Protector System
Inspect The Protector System
replace wire or correct as needed. Turn power off and reboot the
opener.
The wires for the door control are shorted or the door control is faulty.
Inspect the wire at all staple points and connection points and replace
wire or correct as needed.
The Protector System
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.
Possible PCB memory 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.
Possible PCB Voltage 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.
Possible receiver failure. Reboot opener by turning the mains power
OFF and then ON after 15 seconds. Recode the transmitters. Contact
service centre.
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, reset the limits (refer to "Program the Travel Limits and Force"
section).
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, reset the limits (refer to "Program the Travel Limits and Force"
section).
TM (IR beams) are open circuit or wires may be
TM
TM (IR Beams) are misaligned or were momentarily
22
TM
(IR beams) wire at all staple points and
(IR beams).