FAULT FINDING
FAULT CAUSE ACTION
The machine does not run. The power cable is not Connect the power cable to the
connected to the power supply. power supply.
The overload protection has Allow to cool, switch on.
been activated.
The motor brushes are worn. Replace the motor brushes.
The voltage is too low. Check main power supply
complies with the machine
serial plate data.
The overload protection The drum motor is stopped. Contact an authorised repair
activates frequently. agent.
A bearing has failed. Contact an authorised repair
agent.
The voltage is too low. Check the main power supply
complies with the machine's
serial plate data.
The pressure on the Fit a finer grit abrasive paper,
sanding drum is too high. make sure the voltage is
correct.
The sanding drum will not Disconnect from the power and
rotate. check the sanding drum for
obstruction. If overload still
operates contact an authorised
repair agent.
The machine will not pick-up dust. The dust bag is full. Replace the dust bag.
The dust shoe is out of Adjust the dust shoe.
adjustment.
There is an obstruction in Remove the dust shoe and
dust pickup. check for obstruction.
Clear as necessary.
The fan belt has broken. Replace the fan belt.
The machine does not sand The drum cover is not round. Redress or replace the drum
evenly. cover.
The Floor Roller assembly Adjust the Floor Roller
(adjustable type) is out of assembly see page 11.4
adjustment.
The Floor Roller assembly is Repair/replace the Floor Roller
worn or damaged. Assembly.
The sanding drum will not rotate. The machine is not being Read ‘Operation’ section of
operated properly. this manual.
The drum belt is broken. Replace the drum belt.
The drum bearing has failed. Contact an authorised repair
agent.
The shear pin Ref.144 has Contact an authorised repair
operated. agent.
There is an obstruction. Disconnect from power supply
and clear the obstruction.
14
MULTI SPEED FAULT INDICATOR-
LIGHT STATUS
Condition Flashes
Overload 1
Over Temperature 2
Under Voltage 3
Ribbon Cable Fault 4
Frequency Fault 5
(110/120V only)
The red fault indicator light will flash
approximately 40 times per minute in
groups of 1 to 5 flashes as detailed above
to provide diagnostic information.
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