Trouble shooting
Problem
Device does not start
Chain does not rotate
Inferior cutting perfor-
mance
Saw runs with difficulty,
chain comes off
Chain becomes hot,
smoke development dur-
ing sawing, discoloration
of the rail
Possible cause
Mains voltage defective
House protection fuse
activated
Defective On/Off switch
Worn carbon brushes
Defective motor
Chain brake blocks saw
chain
Incorrectly mounted saw
chain
Saw chain (5) blunt
Chain tension insufficient
Chain tension insufficient
Too little chain oil
Fault correction
Check plug socket, cable, line
and plug, where appropriate,
repair by electrical specialist.
Check house protection fuse,
see note
Repair by customer service
Repair by customer service
Repair by customer service
Check chain brake.
Possibly release chain brake
Mount saw chain correctly
Sharpen cutting teeth or place
on new chain
Check chain tension
Check chain tension
Check oil level and, where ap-
propriate, refill with chain oil,
check oil automatic system
and, where appropriate, clean
oil outflow duct or have re-
paired by customer service
GB
151