Instruction Manual

Table Of Contents
0458-660-0121-A
24
English
16 Troubleshooting
The suction power is too
low.
The suction power is set too low. Set the suction power.
The filter bag or the container is full. Replace filter bag or empty the container.
The filter is dirty. Switch on automatic filter cleaning.
Clean or replace the filter.
The suction hose, the hand tube or the
accessory is blocked up.
Clean the suction hose, hand tube or
accessory.
The seal between the top part and the container
is dirty or damaged.
Clean seal between top part and container or
ask a STIHL authorized dealer to replace it.
The air flow rate is less
than 20 m/s. The air
velocity monitoring LED in
the suction hose lights up
and a succession of short
beeps is heard.
The diameter of the suction hose is not set
correctly.
Set the diameter of the suction hose.
The filter bag or the container is full. Replace filter bag or empty the container.
The filter is dirty. Clean or replace the filter.
The suction hose, the hand tube or the
accessory is blocked up.
Clean the suction hose, hand tube or
accessory.
The seal between the top part and the container
is dirty or damaged.
Clean seal between top part and container or
ask a STIHL authorized dealer to replace it.
Fault Cause Remedy