Sears 139.53636SRT, 139.53641SRT, 139.53525SRT SituationProbable Cause & Solution, Door opens but

Page 35

Having a Problem? (continued)

SituationProbable Cause & Solution

The door opens but

1.

If the

opener

lights

blink, check

the safety reversing sensor. See

page 23.

won't close:

2.

If the

opener

lights

do not blink

and it is a new installation, check

the down force.

 

 

See Adjustment Step 2, page 29. For an existing installation, see below.

Repeat the safety reverse test after the adjustment is complete•

The door reverses for

no apparent reason and opener lights don't blink:

The door reverses for

no apparent reason

and opener lights blink for 5 seconds

after reversing:

The openerl_h_:

The opener strains or maximum force is

needed to operate door:

The opener motor

hums briefly, then won't work:

1.Is something obstructing the door? Pull the red emergency release handle. Operate the door manually, tf it is unbalanced or binding, call for professional garage door service.

2.Clear any ice or snow from the garage floor area where the door closes.

3.Review the force adjustment procedures on page 29.

4.If door reverses in the fully closed position, decrease the travel limits (page 28).

Repeat safety reverse test after adjustments to force or travel limits• The need for occasional adjustment of the force and limit settings is normal• Weather conditions in particular can affect door travel•

Check the safety reversing sensor. Remove any obstruction or align the receiving eye. See page 23.

•..don't turn on:

Replace the light bulbs (75 watts maximum). Use a standard neck garage door opener bulb if regular bulb burns out.

•..don't turn off:

Is the Light feature on? Turn it off.

The door may be out of balance or the springs are broken. Close the door and use the emergency release to disconnect the trolley. Open and close the door manually. A properly balanced door will stay in any point of travel while being supported entirely by its springs. If it does not, disconnect the opener and call a professional garage door serviceman.Do not increase the force to operate the opener.

. The garage door springs are broken. See above.

2.If the problem occurs on the first operation of the opener, door may be locked. Disable the door lock. If the chain was removed and reinstalled, the motor may be out of phase. Remove the chain; cycle the motor to the down position. Observe the drive sprocket. When it turns in a clockwise direction and stops in the down position, reinstall the chain.

Repeat the safety reverse test after the adjustment is complete•

The opener won't 1. Use the emergency release to disconnect the trolley. The door can be opened and closed

operate due tomanually. When the power is restored, press the Wall Control push bar and trolley will

power failure:automatically reconnect (unless trolley is in lockout position.) See page 32.

2.The Emergency Key Release accessory (for use on garages with no service door) disconnects the trolley from outside the garage in case of power failure.

The chain droops It is normal for the chain to droop slightly in the closed door position. Use the

or sags:emergency release to disconnect the trolley. If the chain returns to normal height when the trolley is disengaged and the door reverses on a one-inch board, no adjustments are needed (see page 11).

35

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Contents
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A SearsMechanical Electrical Start by reviewing these important safety alert symbolsInstallation Section pages 11 Youll Need Tools IArm Closed Position One-Piece Door without TrackOne-Piece Door with Track Before you begin, survey your garage area toOpener Carton inventory EndsectionsInstallation Assembly HardwareInstallation Hardware Safety ReversingAssembly Step Assembly Section Pages 8Hardware Shown Actual Size Assembly StepInstall the Trolley on the T-rail Fasten the T-rail to the OpenerTo attach the sprocket cover LinkBar FigureTo make Sure the chain is not TwistedTighten the Chain & Cable Important Installation InstructionsRemember Proceed to ,One-piecedoor without track Pivot hardware One-piecedoor without track jamb hardwareFasten the Header Bracket to the Ceiling Installation StepInstall the Header Bracket Fasten the Header Bracket to the WallAttach the T-rail to the Header Bracket Position the Opener Tro, yHang the Opener Two representative installations are shownNstallation Step Clearly, and there are no obstructions to door travel Install the Deluxe Lighted Console Wall ControlSee Safety Reversing Sensor Instructions beginning on Outdoor Key Switch Accessory ConnectionsAttach Emergency Release Rope Handle Install the Lights and the LensesInstall the lights Install the lensesPermanent WiringElectrical Requirements ConnectionsFacing the door from inside the garage Safety Reversing SystemAlternate Floor Mount Install the Safety Reversing SensorPush Connector Wire Connector Until You hear a click Trouble ShootingFasten Door Bracket Finished Ceiling Hole Alignment Alternative Connect Door Arm to TrolleyConnect the door arm to the trolley Adjustment Procedures for One-Piece DoorsAssemble the Door Arm Decrease UP limitHow and When Adjustment Section Pages 28 Adjustment StepAdjust the UP and Down Limits To Adjust the LimitsIf the door doesnt open at least 5 feet Adjust the ForceTo Adjust the Forces Test the UP open forceImportant safety check Test The Safety Reversing SensorTest the Safety Reverse System Care of Your Opener Maintenance Remote control battery Dispose of your old battery properlyOperation of the Deluxe Lighted Console Wall Control Operation of Your OpenerTo Erase All Remote control Codes Receiver and Remote Control ProgrammingMini 3-Function Remote Control To Add a Remote ControlSituation Probable Cause and Solution Having a Problem?Door opens but SituationProbable Cause & SolutionInstallation Parts Repair Parts1918 Opener Assembly PartsAccessories Index For the location of a For the repair or replacement parts you need
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