FORTY 5500
-
20
-
English
OPERATOR FOR SWING GATES
SPACE RESERVED FOR INSTALLER
PLEASE GIVE A COPY OF THIS PAGE TO THE USER
Trouble-shooting guide
4.4
F
AULT
TYPE
P
ROBABLE
CAUSE
S
OLUTIONS
B
Y
OPERATING
T H E
O P E N I N G
C O N T R O L
,
T H E
LEAF
DOES
NOT
MOVE
AND
THE
ELECTRIC
MOTOR
OF
THE
OPERA
-
TOR
DOES
NOT
RUN
.
N
O
POWER
SUPPLY
.
T
URN
THE
POWER
ON
.
D
EFECTIVE
FUSE
.
R
EPLACE
THE
DEFEC
-
TIVE
FUSES
WITH
NEW
ONES
HAVING
THE
SAME
AMPERAGE
.
T
HE
POWER
CABLE
OF
THE
OPERATOR
IS
DAM
-
AGED
.
R
EPLACE
THE
POWER
CABLE
AND
FIND
AND
RECTIFY
THE
FAULT
.
B
Y
OPERATING
T H E
O P E N I N G
C O N T R O L
,
T H E
ELECTRIC
MOTOR
OF
THE
OPERA
-
TOR
RUNS
BUT
THE
LEAF
DOES
NOT
MOVE
.
I
F
THE
OPERATOR
HAS
A
HYDRAULIC
RELEASE
,
C H E C K
T H A T
T H E
RELEASE
VALVE
SETTING
IS
CLOSED
.
T
URN
THE
VALVE
FULLY
IN
A
CLOCKWISE
DIREC
-
TION
.
I
F
T H E
O P E R A
-
TOR
DOESN
'
T
HAVE
A
HYDRAULIC
RELEASE
,
ADJIUST
THE
OPENING
PRESSURE
SETTING
.
T
URN
THE
VALVE
FULLY
IN
A
CLOCKWISE
DIREC
-
TION
.
I
F
THE
OPERATOR
HAS
B E E N
E X P O S E D
T O
THE
SUN
FOR
A
LONG
PERIOD
,
WITH
THE
GATE
CLOSED
,
CHECK
THAT
THE
OPERATOR
PISTON
IS
NOT
IN
THE
FULLY
ADVANCED
POSITION
,
I
.
E
.
WITH
THE
ROD
COM
-
PLETELY
OUT
.
C
HECK
THE
OPERA
-
T O R
M O U N T I N G
,
A S
D E S C R I B E D
I N
T H I S
MANUAL
.
C
HECK
THE
MEASURE
OF
THE
PISTON
STROKE
.
D
U R I N G
T H E
M O T I O N
,
T H E
O P E R A T O R
JERKS
.
P
ROBABLY
AIR
IN
THE
CYLINDER
.
R
EMOVE
THE
OPERA
-
TOR
FROM
ITS
FRONT
MOUNTING
AND
MAKE
A
FEW
OPENING
AND
CLOS
-
ING
MOVEMENTS
UNTIL
A MOVEMENT FREE OF
JERKS IS OBTAINED
I
;
THEN
RE
-
FIT
TO
THE
FRONT
MOUNTING
.
O
IL
IN
THE
CYLINDER
NOT
ENOUGT
.
A
DD
OIL
AND
EVACUATE
AIR
AS
ABOVE
.
T
HE
FRONT
AND
REAR
OPERATOR
MOUNTINGS
MOVE
OR
HAVE
BEEN
FITTED
INCORRECTLY
.
R
EPAIR
OR
STRENGTHEN
THE
MOUNTINGS
.
I
MPROPER
ADJUSTMENT
OF
MAXIMUM
FORCE
:
THE
OPENING
AND
CLOS
-
ING
VALUES
DIFFER
TOO
MUCH
FROM
THEM
.
R
EVIEW
THE
SETTING
OF
THE
BY
-
PASS
VALVES
.
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40064 Ozzano dell’Emilia - Bologna - Italia
Tel. +39 051 6960711 - fax +39 051 6960722
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