Troubleshooting
Solution
Cause
Model
Problem
Set the engine to ON position.
The engine is set to the OFF
position.
Petrol drive.
The screed does not start.
Fill the tank.
The petrol tank is empty.
Use the chocke.
The engine is cold.
Check the engine manufactures
instructions.
Engine failure.
Check the power supply and
cable.
No power supply.
Electric drive.
The screed does not start.
Check the cable and replace if
necessary.
The cable to the power switch is
broken.
Check and change the
connections if necessary.
A faulty connection inside the
connection box.
Change the carbon brushes.
The carbon brushes are worn
out.
Control the vibrator for
mechanical friction or blockage
inside the vibrator.
The vibrator is broken.
Adjust the centrifugal force.
Too low centrifugal force.
Petrol drive.
The concrete vibration is not
uniform.
Adjust the vibration frequency.
Too low frequency.
All
Operate as intended (see the
"Operation" section.
Wrong vibration technique.
Change the damper and the
bearings.
The vibration damper on the
vibrating shaft is broken.
Petrol drive.
The screed does not vibrate.
Change the vibration dampers.
The vibration dampers are worn
out.
All
Too high vibration in the handle.
Replace the bearings.
The vibrator bearings are broken.
All
Too high noice.
© 2015 Construction Tools EOOD | No. 9800 1189 01b | 2015-05-12
Original instructions
18
BV 20E, 20G
Safety and operating instructions
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