Craftsman 139.53625SR - Manual (Page 21)

Having a Problem? (continued)
SITUATION PROBABLE CAUSE & SOLUTION
DOOR REVERSES FOR
NO APPARENT REASON 1. is something obstructing the door? Pul! red emergency releas handle Operate
door manualiy If if is unbalanced or binding, call a garage door servicerrian to
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 17
REPEAT SAFETY REVERSE TEST after adjustment is complete,
4. If door reverses in FULLY CLOSED position, decrease travel limits (see page 17)
REPEAT SAFETY REVERSE TEST after the adjustment is complete.
THE need FOR OCCASIONAL ADJUSTMENT OF THE FORCE AND LIMIT
SETTINGS IS NORMAL. WEATHER CONDITIONS IN PARTICULAR CAN
AFFECT DOOR TRAVEL.
5. The infrared Reversing Sensor (If you have installed this accessory) may be
misaligned or obstructed. Disconnect sensor and check door operation tf problem
disappears, correct alignment.
OPENER LIGHT DOESN’T TURN ON
1, Replace the light bulb (75 watts maximum) Use a "garage door opener bulb" if
standard buib 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 ceiling or wall receptacle
UNIT MUST BE GROUNDED.
OPENER STRAINS OR
MAXIMUM FORGE 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 fnajiualiy A
properly balanced door will stay in any point of travel while being supported entirely
by Its springs. If it does not, call a garage door serviceman to correct the problem.
OPENER MOTOR HUMS
BRIEFLY, THEN WON’T WORK 1. Garage door springs are broken, SEE ABOVE
2. The trolley may be jammed into stop bolts, Pull 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.
3. if the problem occurs on first operation of the opener, door is iock^sd 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.
OPENER WON’T OPERATE
DUE TO POWER FAILURE
CHAIN DROOPS OR SAGS
OPENER NOISE IS DISTURBING
IN LIVING QUARTERS OF HOME
1. Use emergency release rope and handle to disconnect trolley Door can be opened
and dosed manually. When the power is restored, press the wall 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
door) disconnects the trolley from outside the garage in case of power failure.
1. it 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)
1. If operational noise is a problem because of proximity of the opener to the living
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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