ZH320 Ec
20
11/2021
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 planing shaft
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
Machine can not be switched on
No mains voltage
Have the power supply checked
by an electrician
Mains fuse defective
Have the fuse replaced by an
electrician
Carbon brushes worn out
Take the machine to the
MAFELL customer service
workshop
Machine switches off on its own
at no load or stops during the
planing process
Mains failure
Have the mains back-up fuses
checked by an electrician
Machine overload
Reduce feed rate
Rotational speed drops during
planing
Excessive chip removal
Reduce chip removal
Feed rate too high
Reduce feed rate
Blunt blades
Turn or replace the blades
Irregular planing result
Blunt blades
Turn or replace the blades
Unsteady feed
Plane at constant pressure and
reduced feed rate
Chip ejector obstructed
Excessive chip removal
Reduce chip removal
Feed rate too high
Reduce feed rate
Blunt blades
Turn or replace the blades
Wood too damp
Clean chip ejector
Long cutting operation without
extraction
Connect the machine to an
external extractor, such as a
small dust extractor