Craftsman 13953629SRT user manual download

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Page 35 of 40
Having
a Problem?
(continued)
Probable
Cause
& Solution
I. tf the opener
lights blink, check the safety reversing
sensor, See page 23,
won't
close:
2. It the opener _ights do not b_ink 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;
me
door
reveres
for
1 Is something
obstructing
timed@or?Puli the red emergency
retease handle. Operate
the door manua{ly. It it is
unbalanced
or binding, cali for professional
garage doer
sewice
don't
blink:-
2, Clear armyJoe or snow from the garage floor area where the door closes.
3. Review
the force adjustment
procedures
on page 29.
4. _fdoor reverses
in the
tufty ctosed
posit on, decrease the travel limits (page 28),
Repeat
safety
reverse
test a£ter a_iustments
to
force
or
travel
limits.
The
nc_d
for
occasional
adjustment
of
the
force
and limff
,settings
is normal
Weather
conditions
in particular
can
affect
door
travel.
_e
door rever_s
for
Check the safety reversing
sensor_ Remove
any obstruction
or a_ign_he receiving eye
See page 23.
biiek
for
S _ds
....
don't
turn
on:
Replace the light bulbs (75 watts m_imum)
Use a standard
neck
garage door opener
bulb it regular bu{b bums out
,
, don't
turn
off:
/s the Light feature
on?
Turn it
off.
The opener
strains
or
The door may be out of bal&_'_;eor the spdngs are broken
C_ose the d_r
art_ u_> the
maximum
force is
emergen@, televise to di_;onne_
the trolley, Open and cio_
_e d_r
m_-_ual/y. A property
beJan_d d_r
will stay in _y
p®int of _ave_while _ing
sup_d6<l
entireb/by its spdr_s. If it
door:
d_s
not_disconnect _e o_ner
_nd c_/I a professional ga_@e de_r _eviceman,
Do
not
increase
the force to o_te
t,5e o_nero
The opener
motor
1 The garage
door spdngs are broken,
See above.
hums
briefly,
then
2, It the prob_ern _rs
on the first operation of the opener, dc_r may be
k_kc_£
DL_sbte
won't
work:
the
door/_k:
If the chain was removed and reinstaIl_J, the motor may be out of phase.
Remove t_hechain;
cycte
the motor to the down _aition
Obsewe
the drive spr_Ket.
When _ turns in a
citY,
vise direction e_d stops in _nedown _s_ion,
reins_!_ the ehan,
Repeat
the safety
reverse
test after
the adjustment
is complete,
1, U99 the emerger>_y re}e_e to dis@nne_ iXe trolley. _r_e_@r _
_
o[_en_ a_.t cbs_S
operate
due to
manually W_en lf_e r_wer is restore,
pre_
__eW_[ _ntrot
pash _
&qd troliey wilt
power
failure:
automaticJy
r_nned
(unle_
trolley is in _;ko_
posi_on.) See _ge
32,
2
The Emergency
Key Re_ease accessory
(for use on garages with no service
d_r)
disconnects
the trolley from outside the garage in case of power failure.
The chain
droops
It is norma_ for the chain to droop slightly
in the c!osed d_r
position° Use the
or sags:
emergency
release to disconnect
the trolley,
It the chain returns to norma_ height when
the trolley is disengaged
and the door reverses
on a one@_ch board, no adjustments
are needed
(see page 11)
35
Sample