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Troubleshooting
Suspected malfunctions are often due to causes that the users can fix themselves.
Therefore check the product using this section. In most cases the problem can be
solved quickly.
WARNING: Only perform the steps described within these instructions! All
further inspection, maintenance and repair work must be performed by an
authorised service centre or a similarly qualified specialist if you cannot
solve the problem yourself!
Problem
Possible cause
Solution
1. Product does
not start
1.1. Battery pack not properly
attached
1.1. Attach properly
1.2. Battery pack discharged
1.2. Remove and charge battery
pack
1.3. Battery pack damaged
1.3. Replace with a new one of the
same
1.4. Chain brake is activated
1.4. Disengage the chain brake
(see section “Chain brake”)
1.5. Steps order of procedure
“Switching on/off” not followed
1.5. Follow procedure step-by-step
1.6. Other electrical defect to the
product
1.6. Get checked by a specialist
electrician
2. Product does
not reach full
power
2.1. Battery pack capacity too low
2.1. Charge battery pack
2.2. Air vents are blocked
2.2. Clean the air vents
3.
Unsatisfactory
result
3.1. Saw chain is worn / damaged
3.1. Sharpen or replace it
3.2. Saw chain not tensioned
properly
3.2. Tension properly
3.3. Blunt saw chain
3.3. Sharpen or replace it
3.4. Improper chain speed
3.4. Have a specialist to adjust it
4. Excessive
vibration / noise
or exhaust
4.1. Saw chain is worn / damaged
4.1. Sharpen or replace it
4.2. Bolts / nuts are loosen
4.2. Tighten bolts / nuts
4.3. Chain oil is incorrect
4.3. Drain out unused oil and refill
with correct oil
5. Product runs
hot, smoke
comes off
5.1. Chain oil tank empty
5.1. Refill with the correct oil
5.2. Chain tension too tight
5.2. Adjust the chain tension
6. Saw chain is
not rotating but
motor runs
6.1. Saw chain is blocked
6.1. Remove blockage
6.2. Chain tension too loose
6.2. Adjust the chain tension
6.3. Guide bar or saw chain
damaged
6.3. Replace with new parts
6.4. Chain oil tank empty
6.4. Refill with the correct oil
