Malfunctions
Version 1.0.2 - 2020-09-15
160
Translation of original instructions
GT25 | GT30 | GT40
EN
GT25_G
T30_G
T40_G
B_6.
fm
Pendulum movement of the table
does not start.
•
Switch on the electromagnet first.
•
Hydraulic pump not working.
•
Air in the hydraulic circuit.
•
Hydraulic pump does not supply
oil.
•
Turn it on.
•
Overload protection triggered?
•
Check oil level, bleed by running
through several times.
•
Check the direction of rotation of
the motor or top up oil.
Worktable does not run smoothly.
•
Incorrect hydraulic oil
•
Oil level in hydraulic unit too low,
air in the system.
•
Suction filter of hydraulic pump
clogged.
•
Use hydraulic oil ISO VG 32.
•
Top up oil, bleed by running
through several times.
•
Suction filter Clean hydraulic
pump and replace oil of hydraulic
unit.
Working table does not change the
pendulum direction.
•
Directional control arm has
detached from the axis for chang-
ing direction.
•
Readjust directional control
arm
Automatic crossfeed does not work.
•
Motor control unit is defective
•
Crossfeed switch is defective
•
Check terminal.
•
Replace switch.
Crossfeed only runs in one direction.
•
Perimeter switch is defective or
stop bolt is loose.
•
Fix stop bolt or replace limit
switch.
Magnetisation does not work.
•
Fuse has tripped.
•
Transformer is defective.
•
Switch SA6 is defective.
•
Replace fuse.
•
Replace transformer.
•
Check switch, replace if neces-
sary
Malfunction
Possible cause
Solution