TROUBLESHOOTING
Caution: Troubleshooting could lead to an increased risk to the operator due
to the fact that safety guards / covers may have to be removed. It is therefore
particularly important that all the measures necessary for safe working are taken.
Fault Possible causes Possible solutions
Machine will not run No mains voltage. Check the supply.
Fuse blown. Check the fuse and replace
if necessary.
Overload switch has cut
in.
Allow the machine to cool
and reset the switch.
Faulty NVR switch. Check and replace if
necessary.
Carbon brushes worn. Check and replace if
necessary.
Faulty motor. Check and replace if
necessary.
Damaged mains lead. Check and replace if
necessary.
Safety interlock switch is
not correctly engaged
Check that the extraction
port is correctly seated.
Speed drops whilst the
machine is under load.
Cutting depth is too great. Reduce the cutting depth.
Feed rate is too fast. Reduce the feed rate.
Dull cutter blades. Replace / sharpen the
cutter blades.
The motor cuts out whilst
under no load.
Mains failure. Check the supply.
Motor has exceeded its
duty cycle.
Allow the motor to cool
and reset the overload.
Faulty motor. Check and replace if
necessary.
Faulty NVR switch. Check and replace if
necessary.
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