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7. Troubleshooting
Fault
Possible cause
Remedy
Excessive vibration
or/and Unusual noises
Imbalance due to worn or broken tools.
Defective bearing.
Wrong tension of the belt.
Defective motor.
The sawing setting is too deep.
Replace all worn or broken parts.
Check the bearing on the axle drive
shaft and replace if necessary.
Check the tension of the belt, replace
the belt if necessary.
Replace the motor.
Reduce the sawing depth.
Reduced or no sawing
performance
Tools have reached the maximum
permissible wear.
Inappropriate tools for the application.
In case of internal combustion engine, follow
the information of the manufacturer.
Replace the worn parts.
Replace the tools with appropriate tools
for the surface to be treated.
Motor does not switch
on
Missed phase.
Wrong phase.
Defective Component.
Dead man’s switch is not activated.
Check the mains power supply and try
to switch on again.
Adjust phase.
Find fault and replace defective
component.
Follow the enclosed information of the
manufacturer (Diesel-motor if
applicable).
Put the key of the dead man’s switch in.
Motor protection switch
triggers while running
Motor protections switch triggered because
of overload .
Motor has a defect.
Reduce the sawing depth.
Check the motor.
Drive unit does not
respond
Treadle is put down too fast.
Oil-level is too low.
Wrong turning direction of the motor.
Put treadle in downwards position slowly
and move the machine forwards at the
same time.
Check the oil-level and refill if
necessary.
Check the turning direction.
