Troubleshooting
Perform only the steps described in these instructions. All further inspection, maintenance, and repair work
must be performed by an authorized service center or a similarly qualified specialist if you cannot solve the
problem yourself.
Problem
Possible Cause
Corrective Action
1. The battery is not fully installed in the
tool.
1. Remove and then replace the battery
into the tool, making sure that it is fully
installed and latched.
2. The battery pack is not charged.
2. Remove the battery pack from the tool
and charge it.
3. The battery pack is over or under the
appropriate temperature range.
3. Move the battery pack to a place
where it is dry and the temperature is
between 5°C (41°F) and 40°C (104°F).
4. There is moisture on the leads of the
battery pack.
4. Allow the battery pack to dry or wipe it
dry.
5. The battery pack is damaged.
5. Replace the battery pack.
The tool does not run or does not run
continuously.
6. There is another electrical problem
with the tool.
6. Contact an Authorized Service Dealer.
1. The battery pack charge capacity is
too low.
1. Remove the battery pack from the tool
and fully charge the battery pack.
The tool does not reach full power or the
motor housing is getting hot.
2. The air vents are blocked.
2. Clean the air vents.
1. There is debris under the grass shield
or in the bump head housing on the
trimmer.
1. Clean any debris from under the grass
shield or in the bump head housing.
The tool is producing excessive vibration
or noise.
2. The spool is not properly wound.
2. Advance the line using the bump head
and/or remove the line on the spool
and wind the spool again.
1. The trimmer is out of line.
1. Add more line to the bump head.
2. The line is tangled in the bump head
housing.
2. Remove the bump head cover and
untangle the line.
The bump head does not advance the line.
3. There is debris under the grass shield
or in the bump head housing on the
trimmer.
3. Clean any debris from under the grass
shield or in the bump head housing.
1. The battery pack is over or under the
appropriate temperature range.
1. Move the battery pack to a place
where it is dry and the temperature is
between 5°C (41°F) and 40°C (104°F).
The battery pack loses charge quickly.
2. The trimmer is overloaded.
2. Trim at a slower pace.
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