Da-Lite Large advantage electrol Buku Instruksi - Halaman 10
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Halaman Cetak
TROUBLESHOOTING
SYMPTOM
3. "Down" limit switch incorrect.
4. Noise.
NOTE: Screen will operate with a low-
pitched hum.
5. Coasting.
6. R oller displaced from mounting
bracket.
7 .
Fabric hangs crooked.
CAUSE
(a) " Down" limit switch out of
adjustment.
(a) Buzzing noise.
(b) G ear noise.
(a) D efective brake.
(a) Pin end slipped out of nylon bearing.
(a) Screen not installed properly.
(b) F abric is damaged.
9
SOLUTION
(a) S ee installation instructions.
(a) A djust door limit switch (too far
down).
(b) R eplace motor assembly.
(a) R eplace motor assembly.
(a) R ealign pin end bracket.
(a) C heck for level and plumb.
(b) R eplace fabric.