Rotary M50 - Page 74

safety height (400 mm)
correctly or it is faulty
The electric board is faulty
Replace electric board
The lift-table does not raise
when push UP button (with
selector qualified)
The selector is faulty (if the lift goes up instead
of the lift-table)
Replace the selector
The electric board relay K1 is faulty (if the lift
goes up instead of the lift-table)
Replace the relay or electric board
The lift-table height switch is not adjusted
correctly or is faulty
Adjust or change the limit switch
The cylinders solenoid valve block are dirty,
defective or they are not powered
Clean, if necessary replace or verify if powered
and check magneto for damage
The electric board is not operating
Replace the electric board
The lift-table does not make
auto-leveling
The auto-leveling limit switch is not adjusted
correctly or is faulty
Adjust or change the limit switch
The auto-leveling solenoid valve is dirty, faulty
or is not powered
Clean, if necessary replace or verify if powered
and check magneto for damage
The electric board K4 relay is faulty
Replace the relay or electric board
The lift-table does not lower
when DOWN button is pressed
(with selector qualified)
The lift-table safety height limit switch is not
adjusted correctly or is faulty
Adjust or change the limit switch
The lift-table lowering solenoid valve is dirty,
faulty or is not powered
Clean, if necessary replace or verify if powered
and check magneto for damage
The electric board is not operating
Check the fuses and replace the electric board if
necessary
The motor does not work and does not
disengage the mechanical safeties
Check the motor
Dow button is faulty
Check the DOWN button and connection for
proper operation.
Replace, if needed
The lift-table doesn’t lower in a
correct way (present tugs)
Presence of air in hydraulic circuit
Bleed the hydraulic circuit
The lift isn’t raising
synchronous.
Presence of air or dripping in the hydraulic
circuit.
Bleed the hydraulic circuit.
The lift-table lowering solenoid valve is faulty
Replace the solenoid valve
The cylinder gaskets can be damaged
Check and replace if necessary
The lifting capacity is limited
The oil in the tank is not enough
Fill oil in the tank
The pump is faulty
Check the pump and replace if necessary.
Safety valve is not settled properly
Ad just the valve setting
The platform P2 doesn’t lower
correctly
The P2 auto-leveling limit switch is faulty
Replace the limit switch
The P1 auto-leveling limit switch is faulty
Replace the limit switch
Leveling solenoid valve does not operate
Clean the valve or replace it if necessary