Troubleshooting - Chamberlain SectionalLift Plus Installation And Operating Instructions Manual

Sectional garage door opener
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ACCESSORIES
30
1.
Model E964M Car visor remote
2.
Model E148M Wireless wall button
3.
Model E950C Keyring remote
4.
Model E840C/E840M Wireless keypad
1
TROUBLE SHOOTING
31
1.
Opener doesn't operate from either door control or
transmitter:
Does the opener have electric power? Plug lamp into outlet.
If it doesn't light, check the fuse box or the circuit breaker.
(Some outlets are controlled by a wall switch.)
Have you disengaged all door locks? Review installation
instruction warnings on page 2.
Is there a build-up of ice or snow under door? The door
may be frozen to ground. Remove any obstruction.
The garage door spring may be broken. Have it replaced.
2.
Door operates from door control but not from
transmitter:
Replace batteries in the transmitter if necessary.
If you have two or more transmitters and only one operates,
review Program Your Opener, Transmitter and Keyless
Entry.
3.
Transmitter has short range:
Check the battery in the transmitter is fully charged.
Change the location of the transmitter in the car.
A metal garage door, foil-backed insulation or metal siding
will reduce the transmission range.
4.
Door reverses for no apparent reason and opener light
flashes 10 times:
Check The Protector System™ (IR Beams) (if you have installed
this accessory). If the light is flashing, correct alignment.
If the Protector SystemTM (IR Beams) is installed and needs to
be removed, the Opener will need to be reprogrammed as
follows:
Remove the IR Beam wiring from the Opener.
Turn the power OFF for 5 seconds.
Turn the power ON for 5 seconds.
Again turn the power OFF for 5 seconds.
Turn the power back on and test the opener for normal
operation.
5.
The garage door opens and closes by itself:
Make sure transmitter button is not stuck "on".
6.
Door stops but doesn't close completely:
Repeat Programming the Travel Limits.
Repeat safety reverse test after any adjustment of door arm
length, close force or down limit adjustments.
ACCESSORIES
2
3
5.
Model 1702AML Outside quick release
6.
Model 774AML Obstruction beams
7.
Model M-BBU24V
5
4
Door opens but won't close:
7.
Check The Protector System™ (IR Beams) (if you have
installed this accessory). If the light on The Protector
System™ (IR Beams) are flashing, correct the alignment.
If opener light does not flash and it is a new installation,
repeat Programming the Travel Limits.
Repeat the safety reverse test after the adjustment is complete.
8.
Opener strains:
Door may be unbalanced or springs are broken. Close door and
use manual release rope and handle to disconnect trolley. Open
and close door manually. A properly balanced door will stay in
any point of travel while being supported entirely by its springs.
If it does not, call for professional garage door service to correct
the problem.
9.
Opener hums briefly, then won't work:
Garage door springs are broken. SEE ABOVE.
If problem occurs on first operation of opener, door is
locked. Disable door lock.
Repeat safety reverse test after adjustment is complete.
10. Opener won't activate due to power failure:
Pull manual release rope and handle down once to
disconnect trolley. Door can be opened and closed
manually. When the power is restored, press the
"GREEN" button in the centre of the trolley assembly. The
next time the opener is activated, the trolley will re-connect.
The Outside Quick Release accessory (if fitted) disconnects
the trolley from outside the garage in case of power failure.
11. The opener runs, but the carriage does not move:
Check the carriage is not disengaged from the opener.
Operate the manual release to re-engage the opener.
In a new installation, the preassembled Motor Shaft Adapter
may have fallen out of the belt sprocket assembly. This
adapter is installed during the manufacturing process and
may have dislodged.
In older installations, especially on excessively heavy doors,
check the Motor Shaft Adapter has not stripped.
12. The Up and DOWN arrows on the control panel are
flashing in sequence:
Check the diagnostic code on next page.
20
7
6

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