39
Operation
3.10
Fault location
Switch the vehicle off and remove the
key before starting to locate faults.
Problem
Cause Solution
Poor cleaning results
Side broom or cylindrical broom
worn
Adjust or change the side broom or cylindrical broom
Panel air filter soiled
Clean the panel air filter
Dirt hoppers full
Empty the dirt hoppers
Drive belt defective
Change the drive belt
Drive motor defective
Contact Hako service
Machine swirls dust
Sealing strips on broom space
worn
Adjust or change the sealing strips
Panel air filter soiled
Clean the panel air filter
Bypass still open
Close the bypass
Vehicle or sweeping function can-
not be activated
Seat contact switch has tripped
The operator must be seated in the seat during oper-
ation
Start sequence not maintained
Driver on driver’s seat
Drive direction switch in neutral position
Accelerator in zero position
Drive motor is too hot or stops
Foreign bodies tangled in the side
broom, cylindrical broom or suc-
tion turbine
Remove the foreign bodies