Printed in U.S.A.
79298 Rev. 7/08
TROUBLESHOOTING
SYMPTOM
4.
Door does
not
close.
5.
“Down”
limit switch incorrect.
6.
Noise.
NOTE: Screen will operate with a low-
pitched hum.
7.
Coasting.
8.
Roller displaced from mounting
bracket.
9.
Fabric hangs crooked.
10. Door closes before screen is all the
way up.
11. Door opens but screen does not
operate.
CAUSE
(a)
Open door limit switch.
(b) No power from screen motor.
(a)
“Down”
limit switch out of
adjustment.
(a)
Buzzing noise.
(b) Gear noise.
(a)
Defective brake.
(a)
Pin end slipped out of nylon bearing.
(a)
Screen not installed properly.
(b) Fabric is damaged.
(a)
Screen
“up”
limit out of adjustment.
(a)
Loose wire.
SOLUTION
(a)
Replace switch.
(b) Replace screen motor.
(a)
See installation instructions.
(a)
Adjust door limit switch (too far
down).
(b) Replace motor assembly.
(a)
Replace motor assembly.
(a)
Realign pin end bracket.
(a)
Check for level and plumb.
(b) Replace fabric.
(a)
Adjust
“up”
limit (call factory for
instructions).
(a)
Check all wiring and connections.