17
Troubleshooting
Problem
Possible Cause
Common Solutions
Abnormal noise.
Clattering in the unit.
Whistling sound.
Whistling sound.
Cog belt slipping.
Contact an authorized service
centre.
Motor will not start.
Faulty cable. The
conductor cross-section
of the extension cable
may be too low.
Contact your electrician.
Motor cuts out
because blocking
protection has been
activated.
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Blocked by foreign
objects.
Dethatcher depth is too
low. Cylinder has been
adjusted for wear without
actual wear to the tines.
The grass is too tall.
1. Switch off the motor, remove
the plug from the socket and
wait until the dethatcher has
stopped rotating.
2. Remove the foreign objects.
3. After approx.1 minute, switch
on the dethatcher.
1. Let the motor cool down.
2. Set depth adjustment
correctly.
Mow the lawn before dethatch-
ing.
Dethatching results
are not satisfactory.
Spring tine wear.
Cog belt faulty.
Lawn has grown too tall.
Adjust the dethatcher cylinder.
Contact an authorized service
centre.
Mow the lawn before using the
dethatcher.
Foreign objects on the
dethatcher cylinder are
hitting the dethatcher.
Foreign objects blocking
the dethatching cylinder.
1. Switch off the dethatcher,
remove the power cord from
the outlet and wait until the
cylinder has stopped rotating.
2. Remove foreign objects.
3. Check the dethatcher
immediately.