Operating instructions
SOLUTIONS 4 :-
Operator switches "ON" and "runs",
but door does not move. Worm-
Screw "turns" but door remains
stationary.
SYMPTOM 4 :-
SECTION 13
TROUBLE SHOOTING GUIDE
for the
"pro-alpha 2000"
garage door operator
The operator remains silent and does
not respond to either the Wall Push-
button or the Transmitter.
The Courtesy Light does not switch
"ON".
"Power-On" indicator light remains
"OFF".
OPERATOR DOES NOT WORK AT ALL.
SYMPTOM 1 :-
SOLUTIONS 3 :-
SYMPTOM 3 :-
The operator "clicks", the "Courtesy
Light" switches "ON" and the motor
"hums", but Worm-Screw does not turn.
SYMPTOM 2 :-
SOLUTIONS 2 :-
Operator makes a "click" sound and the
"Courtesy Light" switches "ON", but the
motor remains "silent" and will not "run".
2.1 Check the manual operation of the door.
2.2 Check that the Travel Limit Switches
are set correctly and are not damaged.
SOLUTIONS 1 :-
1.1 Electric power is not being supplied to
the operator.
1.2 Check that the Power Plug at the side of
the operator is correctly inserted into the
socket.
1.3 Check that the power supply outlet,
distribution board, fuses, mains earth
leakage, etc. are correctly wired and are
operating correctly.
1.4 Check for breaks in the Power Supply
Cable.
1.5 Check the PC Control Board for
damage, e.g. from a lightning strike,
power-surge, etc.
3.1 Check the manual operation of the door.
The door may be jammed or obstructed.
The Door Locks may be engaged. The
manual door locks must be
"disengaged" for automatic operation.
3.2 The Worm-Shaft may be jammed or
seized due to the ingress of dirt or some
other foreign matter. Clean out the
Aluminium Extrusion with paraffin and
re-grease the worm- screw.
3.3 The Worm-Screw can become seized if
the incorrect type of grease is used.
Refer to the section "Lubrication" in
this manual.
3.4 The "Travel Limit Switches" and the
"Overload Sensor" may be incorrectly
set. Reset the Limit Switches and
check the sensitivity setting of the
operator.
3.5 Check the Operator for signs of damage,
(as may be caused during a forced entry).
3.6 The Motor Coupling may be damaged.
4.1 Check that the Traveller Lever is in the
engaged position for the particular
type of door.
4.2 Check for damage or excessive wear to
the Traveller Nut.
4.3 The Motor Coupling may be damaged.
MAN 01 - page 22
Version 5










