FM1000
01/2022
19
7
Troubleshooting
Warning
Risk of injury from a sudden start of the machine.
There is a risk that the machine starts suddenly due to carelessness when
working with the machine or during troubleshooting. The rotating tool can cause
serious injuries.
➢
Determining the causes of existing malfunctions and their elimination
always require increased attention and caution!
➢
Pull out the mains plug before you start troubleshooting!
Some of the most common malfunctions and their causes are listed below. For other malfunctions, please
contact your dealer or MAFELL Customer Service directly.
Malfunction
Cause
Elimination
The milling motor cannot be
switched on. The lamp at the
setting wheel does
not shine
Mains voltage missing or too low
Have the power supply checked
by an electrician
Mains fuse defective
Have the fuse replaced by an
electrician
The milling motor cannot be
switched on. The lamp at the
setting wheel shines
blue
Carbon brushes worn out
Take the milling motor to the
MAFELL customer service
workshop
The milling motor stops during
operation. The lamp at the
setting wheel does
not shine
Mains failure
Have the mains back-up fuses
checked by an electrician
The milling motor stops during
operation. The lamp at the
setting wheel shines
red
Machine overload
Switch off the circuit-breaker.
Clear the work spindle before
starting up the machine. Switch
on the circuit breaker and
continue operation with less
load/feed rate
