22 | English
Problem
Possible Cause
Chain saw rips, vi-
Saw chain tension too loose
brates, does not saw
Dull saw chain
properly
Saw chain worn out
Saw chain teeth are facing in the wrong direction Reassemble with saw chain in correct direction
Chain bar damaged or worn
Excessive vibrations/
Power tool defective
noise
Sawing time per bat-
Too much friction, due to lack of lubricant
tery charge too low
Saw chain needs cleaning
Poor sawing technique
Battery not fully charged
Battery out of the allowable temperature range
Chain tension too high
Dull saw chain
The saw chain is run-
Battery discharged
ning slow
Battery out of the allowable temperature range
Battery is too hot
Battery and charger
Problem
Possible Cause
Flashing red battery
Battery not (properly) inserted
charge indicator
Battery contacts contaminated
Battery defective
Battery charge indicat-
Mains plug of battery charger not plugged in
ors do not light up
(properly)
Socket outlet, mains cable or battery charger de-
Battery will not charge
fective
Battery and charger defective
Battery defective
Charger defective
Maintenance and Service
Maintenance and Cleaning
Before any work on the garden product itself (e. g.
u
maintenance, tool change, etc.) as well as during
transport and storage, remove the battery from the
garden product. There is danger of injury when uninten-
tionally actuating the On/Off switch.
F 016 L81 992 | (25.01.2023)
Corrective Measure
Adjust chain tension
Replace saw chain
Replace saw chain
Replace chain bar or contact Bosch Service
Centre
Contact Service Agent
Ensure chain lubrication (see "Saw chain lubrica-
tion")
Clean saw chain
see "Working with the chain saw"
Recharge battery; also see "Battery Charging"
Allow battery to warm naturally to room temperat-
ure (within battery operating temperature 0–
45 °C)
Tension saw chain
Replace saw chain
Recharge battery; also see "Battery Charging"
Allow battery to warm naturally to room temperat-
ure (within battery operating temperature 0–
45 °C)
Allow to cool
Corrective Measure
Properly insert battery in charger
Clean the battery contacts (e. g. by inserting and
removing the battery several times) or replace
the battery
Replace the battery
Insert mains plug (fully) into the socket outlet
Check the mains voltage; have the battery char-
ger checked by an authorised after-sales service
agent for Bosch power tools
Replace battery and charger
Replace battery
Replace charger
– Always fit the chain guard (18) on the chain bar (12)
when the chain saw is not being used to prevent injury.
– For safe and proper working, always keep the power tool
and its ventilation slots clean.
– Do not use water, solvents or polishes.
– Clean the chain and chain bar before storing the product
for an extended period of time to prevent the parts from
seizing.
Bosch Power Tools