Craftsman 139.53699SR, 139.53315SR, 139.53625SR DUE to Power Failure Chain Droops or Sags

Having	a	Problem?	(continued)
SITUATION			PROBABLE CAUSE	& SOLUTION
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DOOR REVERSES FOR NO APPARENT REASON

1 Is something obstructing the door? Pull red emergency reteas handle Operate door manuafly If it is unbalanced or binding, call a garage door serviceman _o correct the problem.

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

3.Review the Force Adjustment Chart on page 1"7

REPEAT SAFETY REVERSE TEST after adjustment is complete,

4. If door reverses in FULLY CLOSED position, decrease trave{ limits (see page 17)

REPEAT SAFETY REVERSE TEST after the adjustment is complete.

THE NEED FOR OCCASIONAL ADJUSTMENT OF THE FORCE AND LtMIT

SETTINGS IS NORMAL. WEATHER CONDITIONS IN PARTICULAR CAN AFFECT DOOR TRAVEL

The infrared Reversing Sensor (If you have installed this accessory) may be misatigned or obstructed. Disconnect sensor and check door operation If problem disappears, correct alignment

OPENER LIGHT DOESN'T TURN ON

1.Replace the !ight bulb (75 watts maximum) Use a "garage door opener bulb" if standard bulb burns out prematurely due to vibration Vibration may be caused

by loose end panel Retighten screws.

DOESN'T TURN OFF

1_ There may be a defective ground at ceiJing or wall receptacle

UNIT MUST BE GROUNDED.

OPENER STRAINS OR MAXIMUM FORCE IS NEEDED TO OPERATE DOOR

1.Door may be out of balance or springs are broken. Close doorand use emergency release rope and handle to disconnect trolley. Open and close door manually A properly balanced door will stay in any poin{ of travel while being supported entirely by its springs. If it does not, call a garage door serviceman to correct the problem,

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OPENER MOTOR HUMS

BRIEFLY, THEN WON'T WORK

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OPENER WON'T OPERATE

DUE TO POWER FAILURE

CHAIN DROOPS OR SAGS

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OPENER NOISE IS DISTURBING IN LIVING QUARTERS OF HOME

1.Garage door springs are broken. SEE ABOVE

2.The trolley may be jammed into stop bolts. Putl or push on door while motor is

humming to release jammed condition Re-adjust door limits (page 17) to prevent over-travel.

REPEAT SAFETY REVERSE TEST after adjustment is complete.

3If the problem occurs on first operation of the opener, door is locked DISABLE DOOR LOCK If chain was removed and reinstalled, motor may be out of phase Remove chain; cycle motor to the down position (Observe drive sprocket When it turns in clockwise direction and stops in down position.) Reinstall chain,

REPEAT SAFETY REVERSE TEST after adjustment is complete.

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1.Use emergency release rope and handle to disconnect trolley Door can be opened and closed manually, When the power is restored, press the wail push button and trolley will automatically reconnect. Refer to Page 3 for Lockout Feature

2.The emergency release Key Lock accessory (for use on garages with no service _oor) disconnects the trolley from outside the garage in case of power failure.

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Iit is normal for chain to droop slightly in the closed door position Use emergency

release rope and handle to disconnect trolley If chain returns to normal height when the trolley is disengaged and door reverses on a one-inch obstruction, no

adjustments are needed (see page 9)

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1.If operational noise is a problem because of proximity of the opener to the tiving quarters, Vibration Isolator Kit 41A3263 can be ordered from any Sears Service Center and most Sears stores This kit was designed to eliminate the 'sounding board effect' and is easy to install.

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