31
TROUBLESHOOTING
THE SUCTION MOTOR DOES NOT FUNCTION
1. Check the suction motor switch is on
2. Check whether the recovery tank is full (“FULL” indicator light switched on),
and empty it if necessary
3. Check the float switch is working well (see also “CLEANING THE
RECOVERY TANK FILTER” in the chapter “DAILY MAINTENANCE”)
4. To restart the vacuum cleaner after the intervention of the float switch, lower
the lever of the accelerator to bring the motor to its minimum speed, then
raise the lever again so that the 4 green voltage control LEDs come on
THE MACHINE DOES NOT START
1. The operator must be properly seated in the driving position
2. Check the parking brake lever (1) is fully lowered
3. Check the connector (3) is connected
4. Check the green voltage control LEDs (4) are switched on
5. Check the traction diagnostics LED on the instrument panel (fig. "alarms 1")
is switched off; if it is flashing, count the flashes
Example: ? flashes - pause – ? flashes – pause
2 flashes might indicate: the pedal has been pressed before switch-on, or the
operator is not well seated
4 flashes might indicate: the movement pedal has been pressed before selecting
the direction (repeat the operation)
7 flashes might indicate: the temperature of the traction control is too high - let it
cool down for a few minutes, then try again
Continuous flashing: the battery is run down
If the problem persists, contact the Comac Technical Assistance Centre
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