Operating instructions GF 4 (AVM / MVM) 9 What to do if …?
orbitalum tools gmbh
(01.08) MT_GF 4_BA_04_790142762_01.doc 45
9 What to do if …?
9.1 General trouble-shooting
In the following table you will find possible causes of faults and the appropriate
remedies.
Problem Possible cause Remedy
The overload protection relay
has tripped.
X Set the switch to “0” then switch
the pipe cutter back on.
The motor is not running.
The restart inhibitor has tripped.
X Set the switch to “0”, then switch
the pipe cutter back on.
The pipe cutter will not turn. Pipe diameter not correctly set.
X Set the pipe diameter correctly
(see chapter 7.4, p. 26).
The saw blade is not cutting, and is
slipping through.
Hexagon nut on the saw
blade shaft not tightened.
X Tighten the hexagon nut.
The saw blade is not cutting.
The saw blade has been
inserted the wrong way round.
X Insert the saw blade correctly. The
labeling on the saw blade must be
visible.
It is no longer possible to set the pipe
diameter.
The slide guide is dirty.
X Clean the slide guide
(see chapter 8.2, p. 44).
9.2 Error messages/trouble-shooting AVM
In case of faults concerning the AVM, the machine will be stopped automatically. The display will flash at 1-second intervals, alternately showing “F” and
a figure from 1 to 6. Before restarting the AVM, it has to be disconnected from
the mains supply by pressing the EMERGENCY OFF button or by pulling the
mains plug.
Error message/fault Possible cause Remedy
Display F1:
Cutter motor overloaded.
Feed force level too high. X Select a lower feed force level.
Feed force level too high. X Select a lower feed force level.
Pipe diameter not correctly set. X Set the pipe diameter correctly
(see chapter 7.4, p. 26).
Chips between slide housing
and pipe.
X Remove the chips.
The slide housing is running
sluggishly.
X Make the slide housing run
smoothly.
Display F2:
Feed motor overloaded.
Obstacle in the swiveling range. X Remove the obstacle.
Power supply of the cutter motor
interrupted.
X Check the connecting cable and
the plug-connections.
Display F3:
The cutter motor stops during
processing.
The overload protection relay of the
cutter motor has tripped.
X Set the switch to “0” then switch
the pipe cutter back on.
Display F4:
Internal control error.
The processor is defective. X Contact the service department.