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7
Troubleshooting
Danger
Determining the causes for existing defects and eliminating these always requires
increased attention and caution. Pull the mains plug beforehand!
Some of the most frequent defects and their causes are listed in the following chart. In case of other defects,
contact your dealer or the MAFELL customer service.
Defect
Cause
Elimination
Machine cannot be switched on
No mains voltage
Check power supply
Mains fuse defective
Replace fuse
Carbon brushes worn
Take the machine to a MAFELL
customer service shop
Machine switches off automatically
during idling stops during cutting
Mains failure
Check pre-fuse
Machine overloaded
Reduce feed speed
Saw chain jams as the machine is
advanced
Feed rate too fast
Reduce feed speed
Blunt saw chain
Release the switch immediately.
Remove machine from the
workpiece and replace saw chain
or have it reground at the MAFELL
customer service shop
Only concerns item - No. 006955
Before regrinding, mind the
minimum height of the saw chain
–
see Fig. 10.
Only concerns item - No. 006968
and 006972
Before regrinding, mind the
minimum length of the carbide
teeth see Fig. 11
Saw chain is running out or
increased effort necessary during
advancing
Blunt saw chain
Replace saw chain or have it
reground at the MAFELL customer
service shop
Chip ejection blocked
Wood is too damp
Saw chain is coasting a long time
after it has been switched off
Automatic chain brake defective
Take the machine to a MAFELL
customer service shop
8
Optional accessories
-
Guide rail 260
Order No. 204581
-
Fine-cut saw chain - HM 260
Order No. 006968
-
Fine-cut saw chain 260
Order No. 006955
-
Driving star wheel
Order No. 204584
-
Splitting wedge 260
Order No. 204586