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7

Troubleshooting

Symptom

Cause

Solution

Screen will not move “up.” 

Motor does not hum.

Motor hums.

Blown fuse or tripped circuit breaker.

Replace fuse or reset circuit breaker.

No power between red and white leads  
in junction box.

Correct improper wiring.

Thermal overload tripped.

Let motor cool for 15 minutes. Try again.

Burned out motor winding.

Check for power between red and white motor leads. 
Replace motor if there is power.

Temporary binding.

With power off, turn roller by hand to free binding.

Burned out capacitor.

Replace capacitor.

Broken wire or loose connection in “up”  
position circuit.

Secure connection or replace wire.

Scraping or grinding noise.

If metal shipping bracket is left attached to screen, 
it may be rubbing on motor end of roller.

Remove shipping bracket.

 Gear  noise.

Gear may need lubrication.

Apply grease.

Fabric rubbing.

Normal condition. 

NOTE: Screens with ironing boards have fabric 
that drags across the board.

 Incorrect stopping point in 
upward position.

Lost roller wrap.

Lift bottom edge up and over roller.

Limit switch out of adjustment.

See installation instructions.

Incorrect stopping point in 
downward direction.

Lost roller wrap.

See above.

Limit switch out of adjustment.

See installation instructions.

Inconsistent stopping points.

Limit switch travel plate not moving..

Tighten set screws located on nylon gears  
(drives limit switch).

Excessive end play in lead screw of limit  
switch assembly. 

Tighten nut between adjusting knobs.  
Tighten lead screw of limit switch.

 Screen does not stop going  
up or down.

Limit switch assembly paddle damaged  
or is out of place.

Remove and check limit switch assembly.  
Repair or replace as necessary.

Summary of Contents for Senior Electrol

Page 1: ...INSTRUCTION BOOK FOR Senior Electrol ...

Page 2: ...th ceiling hanger adapters are standard equipment For wall type use wall hanger only For ceiling type installation use the wall type hanger and ceiling adapters as shown in Fig 3 on page 4 Recessed Above Ceiling Other methods of installation will no doubt suggest themselves especially in new buildings where it would be an easy matter to provide a recess for the screen to conceal it when not in use...

Page 3: ...to stop screen 6 Check for satisfactory condition by running screen a few times NOTE The picture surface when rolled down should have a full wrap around the roller Do not allow any part of the roller to become exposed Surface travel is stopped automatically in the fully opened and closed positions by limit switches that are properly adjusted at Da Lite Should it be necessary to adjust for more or ...

Page 4: ...pletely Into Case 1 Place operating switch in up position 2 Turn the up limit knob one quarter turn counterclockwise 3 Test by lowering picture surface approximately two feet with operating switch then raise picture Repeat operation if desired position is not reached Raise Lower Raise Lower Down Up Side View End View Bottom View Outlet Box Suggested Slot Width Picture Surface Wall Or Ceiling Type ...

Page 5: ...acitor Red Up White White Common Up Up Adj Down Adj White White Black With Yellow Down Off Internal Wiring External Wiring To Be Completed By Installer Red Green Ground Motor 120V 60 Cycles 1 10HP Intermittent Duty With Auto Reset Thermal Protector Junction Box Mounted In Screen Case In Which Internal Wiring Terminates In White Black and Red Leads In Multiple Control Installations This Switch Is R...

Page 6: ...rned out motor winding Disconnect motor leads and check for continuity between black and white wires for down position Check for continuity between red and white wires for up position Replace gear motor if either combination shows an open circuit Defective limit switch Disconnect down limit switch from circuit Check for continuity Switches are normally closed and open on contact Motor hums Tempora...

Page 7: ... on motor end of roller Remove shipping bracket Gear noise Gear may need lubrication Apply grease Fabric rubbing Normal condition NOTE Screens with ironing boards have fabric that drags across the board Incorrect stopping point in upward position Lost roller wrap Lift bottom edge up and over roller Limit switch out of adjustment See installation instructions Incorrect stopping point in downward di...

Page 8: ...MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WARRANTIES AS TO FITNESS FOR USE AND MERCHANTABILITY Any implied warranties of fitness for use or merchantability that may be mandated by statute or rule of law are limited to the one 1 year warranty period This warranty gives you specific legal rights and you may also have othe...

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