05-7155-00.fm
49
Maintenance and servicing
5.10
Service information
In case problems occur with the machine, a four-digit service code is output in
the display panel in addition to the service indicator (tool key).
Eliminate the cause or note down the service code and inform your authorised
Hako service partner.
If the cause has been eliminated, the fault must be acknowledged via the
OFF/ON button.
Service
code
Fault
Cause
Remedy
1251
Brush stops
Foreign particles between
the brush and the shaft
Inspect the brush for
foreign particles and
remove them if
necessary
1261
Brush stops
• Foreign particles block
the brush
• Inspect the brush for
foreign particles and
remove them if
necessary
• Brush is not positioned
correctly in the holder
• Actuate the brush
decoupling system,
contact the customer
service, if necessary
1463
Suction tur-
bine stops
• Foreign particles in the
suction turbine
• Suction turbine is
damaged
Contact the customer
service
1591
No water
supply
• Water valve is defective Contact the customer
service
• Fresh water filter is not
screwed in fully
Screw in the fresh
water filter as far as it
will go
316E /
3251
Power level is
faulty
• Cables on battery poles
are loose or detached
Contact the customer
service
• Battery is not charged
Charge the battery
3265 /
3266
Service code
indicator
when turning
on the
machine
Low capacity of the inter-
nal back-up battery of the
machine or discharged
Contact the customer
service