Document 57.4400.7200 - 1
st
Edition 03/2005
INDEX
5
8
TELELIFT 3713 Elite - 4017 - 4514
TROUBLESHOOTING
Trouble
Cause
Solution
The boom does not move
The boom cannot be moved up
Relays board damaged
The coils of the speed change solenoid
valves are damaged
Fuse
F24
blown.
Road/Jobsite selector turned to a wrong
position
Road/Jobsite/Platform selector
damaged
Dead man switch on joystick damaged.
Tecnord control unit damaged
Solenoid
Y43
damaged
Fuse
F24
blown
Joystick damaged
Tecnord control unit damaged
Check the outputs of the control unit:
you must have 12V on connector
X16
to pin
6
when the first gear is put, and
12V on pin
7
with the second gear is
put. If necessary, change the board.
Check coils
Y8-B
and
Y9-A
and
replace, if necessary.
Check the fuse and replace if
necessary.
The key-selector must be turned to
"Jobsite".
Check the contacts and replace, if
necessary. Check you have 12V on
contact
S33
and on connector
XJ1
on pin
7A
.
Check you have 12V on connector
X10
on pin
E
and there is power on
connector
J1
on pin
2A
; change the
joystick, if necessary.
Change the control unit.
Check you have 12V between the coil
contacts when the joystick is moved;
or change the solenoid.
Check the fuse and replace if
necessary.
Check you have 5V on connector
X10
on pin
A
and about 4.25V on pin
B
with
the joystick in "boom up" position: If
necessary, replace the joystick.
Check you have 4.25V on connector
J1
on pin
1B
with the joystick in the "boom
up" position and about 4.25V on
connector
J2
on pin
5B
with the joystick
in the same position. If necessary,
change the control unit.
Summary of Contents for TELELIFT 3713 Elite
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