26
Possible faults
Before each fault elimination:
switch off device
wait for the power pruner to come to a standstill
remove the battery
After each fault clearance, put into operation and recheck all security installations.
Fault
Possible cause
Remedy
Chain saw does not
start after switching on
Li-Ion battery run down
Lithium-ion battery not inserted
correctly
Li-Ion battery too cold/ too warm
Li-Ion battery, Motor or switch defect
Charge the Li- ion battery
Check whether the lithium battery has engaged audibly.
Allow the lithium battery to warm up/cool down
Have the battery, motor or switch checked / repaired by a
licensed electrician or customer service or replaced by
original spare parts.
Chain saw works with
interruptions
external loose connection
internal loose connection
ON / OFF switch defective.
Contact the customer service
Chain saw picks,
vibrates or does not
saw correctly
Chain edgeless
Chain worn
Chain tension
Chain not assembled correctly (teeth
face to wrong direction)
Chain must be regrinded or exchanged
Exchange chain
Check and adjust chain tension
Assemble chain again
Chain saw does not
work with full power
The Li-Ion battery charge is low
The Li-Ion battery is defect
Charge the Li-Ion battery (manual battery “Charging the
battery”
Contact the costumer service
Saw chain gets hot
no oil in the tank
oil flow canal blocked
chain tension too high
Chain edgeless
Refill oil
Clean oil flow canal
Adjust chain tension
Chain must be regrinded or exchanged
No saw chain
lubrication
no oil in the tank
oil flow canal blocked
Refill oil
Clean oil flow canal
Cutting time with fully
charged battery too
short
Rechargeable battery is low
Battery service life exhausted
Chain soiled
Chain blunt/worn
Non chain lubrication
Charge the Li-Ion battery (Section “Charging the battery”)
Charging the rechargeable battery
Clean the chain
Chain must be reground or exchanged
Replenish oil (Section “Chain lubrication”)
