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Caution
Nails or adhering sand will damage
the saw chain. They must be
removed from the cut surface.
Saw chains for:
ZSX TWIN-Ec (Item No. 006968, 006971, 006972,
006974, 006977)
7
Troubleshooting
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
Machine cannot be switched on
Machine switches off automatically
during idling or stops during
cutting
Saw chain jams as the machine is
advanced
Saw chain is running out or
increased effort necessary during
advancing
Chip ejection blocked
Saw chain is coasting a long time
after it has been switched off
Danger
Determining the causes for existing defects and eliminating these always
requires increased attention and caution. Pull the mains plug beforehand!
Cause
No mains voltage
Mains fuse defective
Carbon brushes worn
Mains failure
Machine overloaded
Feed rate too fast
Blunt saw chain
Blunt saw chain
Wood is too damp
Automatic chain brake defective
-28-
These chains can only be reground
at MAFELL via your appointed
dealer.
6.5 Storage
If the machine is not used for a longer period of time,
it has to be carefully cleaned. Spray bright metal parts
with a rust inhibitor.
Elimination
Check power supply
Replace fuse
Take the machine to a MAFELL
customer service shop
Check pre-fuse
Reduce feed speed
Reduce feed speed
Release the switch immediately.
Remove machine from the
workpiece and replace saw chain
or have it reground at an
appointed MAFELL dealer.
Only concerns item No. 006968,
006972 and 006977
Before regrinding, mind the
minimum length of the carbide
teeth see Fig. 11
Replace saw chain or have it
reground at an appointed MAFELL
dealer
Take the machine to a MAFELL
customer service shop
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