Rotary S38AK-42CAT, Operation & Maintenance Manual

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92
0587-M120-0
TECHNICAL SERVICE REQUIRED
do not attempt to do the job yourself

8
8. PROBLEMS
Some possible problems which may arise while using the lift are listed below. The Manufacturer will not accept any responsibility for damage to people, animals
and objects caused by unauthorised staff using the equipment. In the event of faults, you are advised to contact the technical service department in good time
to receive advice about how to carry out work and/or adjustments in maximum safety conditions, thus avoiding the risk of damage to people, animals and
objects.
Turn the main switch to "0" and lock in case of emergency and/or maintenance to the lift.
PROBLEMS CAUSES REMEDIES
Lift does not work at all. a) Main switch in "0" position.
b) Transformer fuse or general protection fuses
interrupted (installed by the user).
c) Fault in the electric system.
a) Turn switch to position "I".
b) Replace the interrupted fuses. If it breaks again,
identify the cause.
c) Check efficiency, connections and components
(buttons, remote control, heat detector, transformer).
The lift elevates but does not drop. a) The safety pressure gauge is engaged due to
obstacles under the platform.
b) Safety pressure gauge damaged or
malfunction of the control system.
c) Defect in the descent solenoid valve.
d) Fault in interception solenoid valve.
e) Descent control valve blocked.
a) Press the up button until the platforms reach
mechanical stop. Remove the obstacles.
b) To complete the descent press the descent button
insert the pin A inside the control unit.
c) To lower the platforms, proceed as in section 6.
d) To lower the platforms, proceed as in section 6.
e) Dismantle and clean.
Descent is extremely slow.
a) The capacity adjusting valve does not work
properly.
a) See "Maintenance" section.
.
The motor turns over regularly but
lifting does not take place. a) Descent control valve blocked in opening position.
b) Pump suction filter blocked.
a) See "Maintenance" section.
b) Clean the filter.
The motor turns over regularly but
the rise speed is extremely slow. a) Descent solenoid valve partially open.
b) Pump suction filter partially blocked.
c) Pump worn or damaged.
a) See "Maintenance" section.
b) Clean the filter.
c) Replace the pump.
The lift cannot lift the nominal
capacity.
a) Faulty calibration valve.
b) Pump worn or damaged.
a) Request assistance from retailer's technical service.
b) Check that the pump is working
properly and replace if necessary.
Non-synchronized platform
movement. a) Faulty alignment valve.
b)
Worn gaskets in hydraulic cylinders.
a) Check that the tap R (Fig.31) is closed. Clean the
valve if necessary and proceed as described in
section 4.9.
b) Replace the gaskets.
The release cylinders do not work. a) Release solenoid valve does not work properly.
b) Release cylinder gasket worn or damaged.
a) Check that the coill of the solenoid valve is working
properly and clean the solenoid valve.
b) Replace the gaskets.
The main lift and lift table elevate at the
same time. a) Interception valve does not work properly. a) Clean or replace.
ON button of the clearance test
pressed, but nothing happens. a) Main switch in "0" position.
b) Transformer fuse or general protection fuses broken
(installed by the user).
c) Fault in the electrical system.
d) Fault in the electronic card.
e) Fault in the keyboard.
a) Place switch to position "1".
b) Replace interrupted fuses. If a fuse breaks again,
find out the cause.
c) Check that connections and components works
properly (buttons, remote switch, heat switch,
transformer).
d) Replace electronic card.
e) Replace keyboard.
The clearance test does not work
(light on).
a) Fault in the electronic card.
b) Solenoid valve EV6 blocked in closing position.
a) Replace electronic card.
b) See "Maintenance" section.
With the clearance test OFF, the
light does not come on when the
MODE button is pressed. a) Main switch in "0" position.
b) Transformer fuse or general protection fuses broken
(installed by the user).
c) Fault in the electrical system.
d) Fault in the electronic card.
e) Fault in the keyboard.
f) Lamp interrupted.
a) Place switch to position "1".
b) Replace interrupted fuses. If a fuse breaks again,
find out the cause.
c) Check that connections and components works
properly (buttons, remote switch, heat switch,
transformer).
d) Replace electronic card.
e) Replace keyboard.
f) Replace lamp.
Clearance test operation button is
pressed but the plates do not move
correctly.
a) Fault in the keyboard.
b) Fault in the electronic card.
c) Solenoid valve EV7 blocked.
a) Replace keyboard.
b) Replace electronic card.
c) See "Maintenance" section.
OFF button pressed, the clearance
test or the light are not disabled. a) Fault in the keyboard.
b) Fault in the electronic card.
a) Replace keyboard.
b) Replace electronic card.