Da-Lite Large advantage electrol Instruction Book - page 10
Other manuals for Large advantage electrol:
Instruction Book
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12
TROUBLESHOOTING
9
SYMPTOM
3. “Down”limitswitchincorrect.
4. Noise.
NOTE: Screen will operate with a low-
pitched hum.
5. Coasting.
6. Rollerdisplacedfrommounting
bracket.
7. Fabrichangscrooked.
CAUSE
(a) “Down”limitswitchoutof
adjustment.
(a) Buzzingnoise.
(b) Gearnoise.
(a) Defectivebrake.
(a) Pinendslippedoutofnylonbearing.
(a) Screennotinstalledproperly.
(b) Fabricisdamaged.
SOLUTION
(a) Seeinstallationinstructions.
(a) Adjustdoorlimitswitch(toofar
down).
(b) Replacemotorassembly.
(a) Replacemotorassembly.
(a) Realignpinendbracket.
(a) Checkforlevelandplumb.
(b) Replacefabric.