The Machine Doesn't Work; The Machine Doesn't Move Forward; The Brushes Don't Rotate; Not Enough Or Too Much Detergent - Comet CRS 90 BT Manual De Instrucciones

These indications make it easier to understand
the underlying causes of some problems based
on specific type of inconvenience. For the type of
corrective action to take please refer to the specific
sections described below.

9.2.1 THE MACHINE DOESN'T WORK

 The key is not inserted or incorrectly turned.
 Insert and turn the key to position "1".
 The battery connector is disconnected or
poorly attached to the main wiring connector.
 Firmly connect the two connectors.
 The emergency/work stoppage button is
pressed.
 Disengage the emergency/work stoppage
button.
 The machine is charging.
 Complete the charging operation.
 The batteries are discharged.
 Charge the batteries.
 No operator in the driver's seat.
 Sit in the driver's seat.
 The main fuse is burned.
 Replace it.
 The control card has overheated.
 Check the operating situations that may have
caused the malfunction (high slope, etc.). Wait
30 minutes and try to avoid the same incorrect
operations. If the problem persists, contact the
authorised service centre.
9.2.2 THE MACHINE DOESN'T MOVE FOR-
WARD
 The direction selection lever is in the neutral
position.
 Select a running direction.
 The advancement pedal is not pressed.
 Press the pedal.
 The floor slope is too steep.
 Manually push the machine to the new level.
 The thermal breaker of the drive motor is
tripped.
 Stop the machine, allow it to remain inactive
for 5 minutes, replace the fuses.
 The advancement pedal microswitch is bro-
ken.
 Replace it.
 The batteries are dead.
 Charge the batteries.
 The accelerator pedal was pressed when the
machine was turned on.
 Release the accelerator pedal, turn off and re-
start the machine.
 The accelerator pedal potentiometer is mal-
functioning.
 Replace the potentiometer.
 The drive motor was not stopped when the
machine was turned on.
 Place the machine on a flat surface, turn it on
and off again with the key.

9.2.3 THE BRUSHES DON'T ROTATE

 The brush motor switch is not selected.
 Press the button to activate the brushes.
 The machine is not moving forward and the
control tripped to avoid damaging the floor.
 Press the advancement pedal.
 The brush motor thermal breaker tripped; the
motor overheated.
 Troubleshoot the cause (cords or similar items
that impede movement, surface too rough, etc.)
and press the reset breaker.
 The transmission belt is broken.
 Replace it.
 The motor relay or the brush motor is broken.
 Replace it.
9.2.4 NOT ENOUGH OR TOO MUCH DETER-
GENT
 The detergent solution tank is empty.
 Fill the detergent solution tank after having
emptied the recovery tank.
The brushes or the machine has stopped.
 Activate the brushes and press the accelera-
tor.
 The flow adjustment lever is closed or almost
closed.
 Adjust/increase the detergent solution outlet
flow as required.
 The detergent solution filter is clogged.
 Clean the filter.
 The detergent feed conduit is clogged in
some point.
 Clean out the conduit by removing the dirt.
 The flow opening solenoid valve is burned.
 Replace it.

9.2.5 NO SUCTION

 The suction hose is not connected to the
squeegee.
 Connect it correctly.
 The suction hose, the squeegee conduit or the
inspection compartment is clogged. Clean out
and remove any obstructions from the conduits.
 The suction motor is turned off.
 Activate it.
 The recovery tank is full.
 Empty it.
 The suction motor is not receiving electric
power or is burned.
 Check the connections and, for the latter case,
replace the motor.
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