No power supply to the drive,
because the overload relay
has triggered.
Check unit for overheating and allow
to cool if necessary. Check supply lines
for possible short circuits. Perform a
function test with manual override on
the motor contactor. Check the
current value at the overload relay
and, if necessary, readjust according to
the motor data.
Electric drive is defective
because it was overloaded or
too
long
in
operation
(overheating).
Replace the electric drive. Check the
milling parameters (gun arm closing
pressure and milling time) and
readjust them if necessary.
No power supply to the drive
as the motor contact is faulty.
Exchange the motor contactor
2 No milling of
electrodes or no
removal of the
electrodes,
no
signal of the
rotation display,
however,
running noise of
the device is
present
There is no milling tool or
extraction tool used.
A correct milling tool or extraction tool
is to be installed.
The bayonet mount of the
milling tools or extractor tool
is defective.
The tool holder is to be tested by
checking if traction is provided to the
drive. In case of damage the gear
should be exchanged with bayonet
mount.
The driver on the engine shaft
is damaged.
The electric drive must be dismantled
and checked. If necessary, replace the
drive shaft. Attention: The four fixing
screws for the drive must be set
correctly.
The gearbox is defective. The
bayonet mount my lock, but
does not rotate.
The gearbox must be replaced. If gears
are replaced, always replace the entire
gear set with bearing material!
