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32 | English
Warning: Switch off and remove the battery prior to any troubleshooting.
Problem
Possible Cause
Chain saw fails to oper-
Kickback brake is activated
ate
Battery discharged
Battery not fully connected
Motor protector has activated
Battery too hot/cold
Power tool defective
Chain saw operates in-
Battery discharged
termittently
Power tool defective
Saw chain dry
No oil in reservoir
Oil outlet (6) clogged
Oil filter clogged
Saw chain/guide bar
No oil in reservoir
hot
Chain tension too high
Dull saw chain
Oil passage clogged
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
Incorrect chain assembly
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
Maintenance and Service
Maintenance, cleaning and transport
Warning! Switch off and remove battery from power
u
tool before adjusting or cleaning.
F 016 L94 704 | (11.07.2024)
Corrective Measure
see figure E1
Recharge battery; also see "Battery Charging"
Ensure both locking levels are engaged
Allow motor to cool
Allow to cool/warm
Contact Service Agent.
Recharge battery; also see "Battery Charging"
Contact Service Agent.
Refill oil, see "Saw chain lubrication"
Clean oil outlet (6)
Clean oil filter / contact customer service
Refill oil
Tension saw chain.
Replace saw chain
Contact Service Agent.
Adjust chain tension
Replace saw chain
Replace saw chain
Replace chain bar or contact Bosch Service
Centre
Contact Service Agent.
Check whether the chain is correctly assembled,
see "Mounting the chain bar and tensioning the
saw chain".
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
Always wear suitable clothing and personal protective
u
equipment.
Regularly check the chain saw for obvious defects
u
such as loose, dislodged or damaged saw chain and
Bosch Power Tools
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