23
Operation
2.6 Function faults
The following applies when lo-
cating and clearing faults:
Switch the vehicle off, remove
the key from the key switch!
2.6.1 Service code table
In the case of system errors, a four-digit
error code appears in the left-hand op-
erating panel in addition to the service
indicator (wrench symbol). The dots in
the service code flash.
Clear the fault or note down the service
code and inform your authorized Hako
dealer. When the cause has been
cleared, the error must be acknowl-
edged by switching the key switch OFF/
ON.
Error code Cause Solution
2.2.5.1. Rotary brush motor too hot: Sweeping pattern is too
large, foreign bodies in the rotary brush
Adjust the sweeping pattern, remove foreign bodies
2.2.6.1. Rotary brush stops, engine is switched off, sweep-
ing is switched off: Foreign bodies, tape or such is
blocking the rotary brush, motor is briefly overloaded
Check the rotary brush for foreign bodies and remove
any, check sweeping pattern
2.3.5.1. Side brush motor, left/right, is too hot: Brush applica-
tion area too large, foreign bodies (such as tape)
tangled in the side brush
Adjust the brush application area, check side brush for
foreign bodies
2.3.6.3.
2.3.6.5
Side brush, left/right (2.3.6.3./2.3.6.5.) stops, motor
is switched off: Foreign bodies (such as tape) tan-
gled in the side brush, engine is briefly overloaded
(in case of strong side pressure, e.g. against curb,
wall etc. an acoustic signal is issued and the side
brush motor is switched off briefly; if this occurs
three times, the side brush motor and holding
attachment are switched off)
Check the side brush for foreign bodies and remove
them, check ground contact pattern
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