|
Problem |
Causes |
Corrections |
P1 |
As the door is in the downward travel, it binds. |
a. Curtain binds in guides. |
Increase the guide opening. Curtain must be free in guides. |
b. Bolts used to connect the curtain to the barrel are too long. |
Replace the bolts with shorter bolts. |
c. Insufficient initial stretch of the torsion spring. |
Consult the factory.
1-800-Alpine-4 |
d. Incorrect hand of the spring. |
Consult the factory.
1-800-Alpine-4 |
e. Incorrect spring assembly for the opening. |
Check the door mark on the barrel. Locate the correct barrel. |
P2 |
Tension wheel turns freely. |
a. Spring broken. |
Consult the Factory.
1-800-Alpine-4 |
b. Broken shaft pin. |
c. Broken barrel pin. |
P3 |
Difficulty applying tension while adjusting the charge wheel. |
a. Incorrect spring connection to the spring holders. |
Consult the Factory.
1-800-Alpine-4 |
b. Incorrect distance between the spring castings. |
c. Screws connecting the curtain or collar are too long. |
P4 |
Drive shaft crooked. |
a. Broken weld. |
Consult the Factory.
1-800-Alpine-4
Possible end plug replacement. |
b. Shipping damage. |
|
Problem |
Causes |
Corrections |
C1 |
Curtain rolls up unevenly. |
a. Top slat not in line. |
Loosen top screws and straighten the curtain. |
b. Tapped holes in barrel are not on centerline. |
Drill and tap the barrel with holes on centerline. |
c. Barrel not level. |
Use hydro-level to level the pipe. |
d. Collar assembly improperly aligned. |
Consult the factory.
1-800-Alpine-4 |
c. Damaged slats in curtain. |
Replace damaged slats. |
C2 |
Curtain slats separate. |
a. Freight damage. |
Replace the curtain. |
C3 |
Curtain separates from the barrel. |
a. Curtain does not have ½ wrap on the barrel, when in the closed position. |
Insert additional slats in the curtain of the door. |
b. Bolts pulled through the top slat. |
Install washers under the head of the bolts. |
c. Interlocks not installed on the motor operated door. |
Install interlocks to prevent motor operation, when the door is locked. |
C4 |
Curtain appears to sag at the center.
|
- Center of the curtain is against the barrel and the edge of the curtain is pulled toward the lintel, as it enters the guides.
|
Curvature of the curtain makes it appear to be sagging, when it is actually level. |
b. Barrel deflection on wide doors.
|
Consult the factory.
1-800-Alpine-4 |
c. Starter slats improperly aligned to the barrel.
|
Remove the starter slat and allow for camber, then tighten. |
B1 |
Bottom Bar Interferes with the vinyl weather-stripping.
|
a. Incorrect guide opening.
|
Increase guide openings. |
b. Incorrect cope on bottom bar angle. |
Increase cope to clear the weather-stripping. |
|
Problem |
Causes |
Corrections |
B2 |
Sensing edge doesn’t work. |
a. Open circuit in the bottom bar. Confirm this by disconnection the wiring at the bottom bar and insert a continuity tester. |
Replace the sensing edge |
b. Open circuit in the coil cord or cord reel. Confirm this by inserting a voltmeter into the plug. Reading should be 24 VAC |
Replace the coil cord or coil reel. |
c. Door located in extremely wet or flooded environment. |
Eliminate the water and replace the sensing edge. |
B3 |
Locks are inoperable. |
a. Key slot of cylinder must be in the horizontal position |
Reposition the cylinder and firmly secure with small screws into the bottom bar. |
b. Damaged internal components. |
Remove the bottom bar from the guide. Replace the locking mechanism |
B4 |
Electrical interlocks are inoperable |
a. Magnet on lock bolt does not line up with the proximity switch on the guide. |
Adjust the proximity switch location where it is mounted to the guides. |
H1 |
Hood bends do not align with the end bracket. |
a. Incorrect hood size. |
Accurately check all dimensions of material supplied and consult factory. 1-800-Alpine-4 |
K1 |
Brackets are not perpendicular to the barrel |
a. Wall angle flange is not square. |
Brace the bracket into position and square. |
