Alpha 2000 Betriebsanleitung PDF herunterladen (Seite 25)

SECTION 13

Door "shudders" and "jerks" as it

opensand closes. Action is not

smooth and continuous.

SYMPTOM 11 :-

SOLUTIONS 11 :-

11.1 The Door may be incorrectly installed.

11.2 Check the manual operation of door. The

door may be obstructed, or may be fouling

the garage structure.

11.3 Inspect the door for damaged and worn or

missing parts.

Repair or replace as necessary !

11.4 The Door Operator may be incorrectly

installed.

11.5 The operator may not be compatible

with the type of door onto which it is

fitted.

11.6 The door itself may not be suitable for

automatic operation.

Consult your "pro-alpha" dealer for advice.

13.1 Check that the Travel Limit Switches

are functioning correctly

13.2 Check that the Travel Limit Switches

are not being fouled by the door as it

moves.

Door starts to Open then "stops" for no

apparent reason before it can complete

it's cycle.

Door starts to Close then "stops" for

no apparent reason before it can

complete it's cycle.

SYMPTOM 12 :-

SYMPTOM 13 :-

SOLUTIONS 12 :-

SOLUTIONS 13 :-

12.1 Check the manual operation of the door.

12.2 Check the limit switch settings. The door

may be fouling the Travel Limit

Switches.

12.3 Overload Sensor is set too sensitive for

the opening mode. Increase the opening

force, i.e. "UP" force.

12.4 Be careful not to activate the transmitter

inadvertently. Do not keep the transmitter

in your pocket or handbag, or allow

children to play with it.

TROUBLE SHOOTING GUIDE

( Section 13 continued )

14.1 Check the manual operation of the

door. The door may be obstructed or

damaged and is not able to complete it's

cycle.

14.2 The Overload Sensor is set too

sensitive for the "closing" mode.

Increase the "closing force", i.e. the

"down-force", by "decreasing" the

sensitivity setting.

SOLUTIONS 14 :-

Door does not "Open" or "Close"

fully.

15.1 The door may be fouling the Travel

Limit Switches as it moves. Reposition

the limit switches or raise the operator to

clear the door.

15.2 Note:- Certain types of doors have a

limit as to how high they may be

opened when converted to

"automatic" operation.

See 13 and 14 above.

SYMPTOM 15 :-

SOLUTIONS 15 :-

MAN 01 - page 24

Door starts to "close" but "stops",

and then "reverses it's direction" for

no apparent reason before

completing it's cycle and returns to

the "full - open" position.

SYMPTOM 14 :-

Note this condition carefully!

Version 5

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