11
Troubleshooting (continued)
Symptom
Cause
Solution
Door will not open.
Spring has an obstruction not
allowing door to open..
Check installation to free door. Clear any foreign
substance from spring.
No power.
See above.
Door does not close.
Mis-adjusted door motor limit.
Adjust door motor limit. Call Da-Lite for instruction.
Low voltage board has no power or a blown
transformer.
Replace low voltage board.
“Down” limit switch incorrect..
“Down” limit switch out of adjustment.
See installation instructions.
Noise.
NOTE: Screen will operate with
a low-pitched hum.
Buzzing noise.
Adjust door limit switch (too far down).
Gear noise
Replace motor assembly.
Fabric rubbing.
Normal condition.
NOTE: Screens with ironing boards have fabric
that drags across the board.
Coasting.
Defective brake.
Replace motor assembly.
Roller displaced from
mounting bracket.
Pin end slipped out of nylon bearing
Realign pin end bracket.
Fabric hangs crooked.
Screen not installed properly.
Check for level and plumb.
Fabric is damaged.
Replace fabric.
Door closes before screen is all
the way up.
Screen “up” limit out of adjustment.
Adjust “up” limit (call factory for instructions).
Door opens but screen does not
operate.
Loose wire.
Check all wiring and connections.
.
