Cookson FDO-A10 Benutzerhandbuch - Seite 13
Blättern Sie online oder laden Sie pdf Benutzerhandbuch für Türöffnungssystem Cookson FDO-A10 herunter. Cookson FDO-A10 15 Seiten. Industrial duty fire door operator
Seite drucken1. Check wire connections for tightness and wire insulation for defects or abrasions.
2. Check to see that all conduit connections are secure.
3. Check wires to safety edge or photo-eyes.
4. Inspect operation of brake.
5. Inspect gearbox for leaks.
6. Inspect roller chain and drive sprockets. Align, lubricate the sprockets, and tighten the set screws.
7. Generally inspect the motor mounting, and tighten the fasteners and bracing.
8. Verify that all conduit connections are tight and have no exposed wires.
9. Inspect the electrical enclosure for debris, arcing and moisture. Check for and tighten
loose wiring connections.
10. Test motor operation through all control stations.
11. Check limit switch settings.
12. Examine safety edge, coil cord and take up reel for damage.
13. Test the operation of the safety edge.
14. Check motor amperage draw for a full open and close cycle. Compare readings to those
listed on the motor nameplate.
MOTOR OPERATOR TROUBLE SHOOTING GUIDE
SYMPTOM
Motor does not run when
OPEN or CLOSE button is
pushed
Motor runs but door
does not move
Motor hums but does
not run
Operator runs in wrong
direction and limits do
not function
Limit switches do not
hold their settings.
Door "drifts" when motor
shuts off.
Operator does not shut
off at full OPEN or at full
CLOSE position
MOTOR OPERATOR MAINTENANCE
POSSIBLE CAUSE
Circuit breaker tripped or power
fuse blown
Thermal overload tripped
Secondary transformer fuse blown
External interlock open. (if supplied) Close interlocks
Sprocket key missing or drive chain
broken.
Intermediate shaft or key damaged.
Door jammed. Drive train jammed.
Brake does not release.
Open motor winding
Motor leads are reversed
Note: All units are checked for proper rotation at factory. Limit switch
adjustment instructions in electrical enclosure indicates proper
direction of travel for OPEN and CLOSE limit nuts.
Drive chain loose, allows chain to
jump sprocket teeth.
Limit nut retainer not engaging
slots in limit nuts.
Limit nuts binding on screw threads
which allows them to jump
position on retainer.
Brake inoperative or worn
Limit nuts not adjusted properly.
Sprocket on limit shaft loose
or limit drive chain broken
Defective limit switch
Check circuit breaker, power
fuses, safety switch, check cause
Reset; check cause
Check fuse, check cause
Check drive train for operation
Close & lock off door, remove
motor and inspect; check cause
Check door. Try to operate
manually
Check power to brake coil.
Check all motor connections.
Interchange any 2 power leads
to unit.
Adjust chain to proper tension.
Be sure retainer is in slots of
BOTH units
Lubricate screw thread. Limit nuts
should turn freely.
Check brake operation.
Adjust (See above)
Inspect limit chain & sprocket.
Adjust chain tension, replace
sprocket & chain if required.
Operate limit switch manually
to determine.
13
REPAIR