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!
" #
$ !
% &
"
'
! %
!
"
(
)*+ %
&
%
1 '
(
(
'
,
%
%
,-.
0
Mains switch in "0" position
0
Transformer fuse or general protective
fuses broken.
0
Fault in electrical system
0
Safety pressure switch activated due to
obstruction beneath footboard.
0
Safety pressure switch damaged or
command system working badly.
0
Descent solenoid valve faulty.
0
Obstruction beneath footboard P1.
0
The capacity regulating valve is not
working properly.
0
The solenoid descent valve is blocked in
the open position.
0
Suction pump filter blocked.
0
The solenoid descent valve is partially
open.
0
Suction pump filter partially blocked.
0
Worn or damaged pump.
0
Manual descent valve partially open.
0
Calibrating valve faulty.
0
Worn or damaged pump.
0
Faulty alignment valve.
0
Worn gaskets in hydraulic cylinders.
0
Faulty solenoid release valve.
0
Worn or damaged release cylinder
gasket.
0
Faulty release cylinder.
è
.($ /
0
Turn to position "I".
0
Replace used fuses. If a fuse goes again,
find the cause of the problem.
0
Check efficiency, components and
connections (push buttons, solenoid
starter, heat detector, transformer).
0
Press rise button until the footboards go
into mechanical stop. Remove
obstruction.
0
To complete descent, press descent
button and fit pin A inside the control
unit.
0
To lower the footboards, see section 6.1.
0
Press the rise button until the footboards
go into mechanical stop. Remove
obstruction.
0
See "Maintenance" section.
0
See "Maintenance" section.
0
Clean filter.
0
See section on "Maintenance".
0
Clean filter.
0
Replace pump.
0
Restore valve seal.
0
Request dealer assistance.
0
Check pump efficiency and replace if
necessary.
0
Check that tap R (fig.15) is closed. Clean
valve if necessary and proceed as
described in section 4.12.
0
Replace.
0
Check that the solenoid valve reel is
working properly and clean the solenoid
valve.
0
Replace gasket.
0
See above.
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