Description Of Faults And Troubleshooting - Kerbl 18870 Instrucciones De Uso

8. Description of faults and troubleshooting

A number of functional errors are listed below which can occur as a result of wear, machine defects, particularly
challenging operating conditions, incorrect operation or a lack of maintenance.
Methods are also described which are aimed at finding and eliminating the problems:
Caution:
work on voltage-carrying parts only when the power supply has been disconnected!
1 Cleaning brush will not turn on
2 F1 fuse repeatedly defective in a
short period
3 Red LED DL1 is not lit
4 Brush continuously rotates
5 Brush rotates for 2 seconds then
stops for 4 minutes
6 Brush does not change rotational
direction under load
7 Brush changes rotational direction
quickly then stops for 4 minutes
8 Brush tries to start several times
then stops for 4 minutes
Power supply missing
Sensors not in position
Mains voltage too low
Mains voltage too high
Control module defective
Blown fuse
Control module defective
Power supply missing
Tilt sensor defective
Dip switch set incorrectly
Motor cable incorrectly connected
Defective motor
Control module defective
Potentiometer not calibrated
Potentiometer setting >50%
Control module defective
Motor mechanically braked
Potentiometer not calibrated
motor blocked
42
_check power connection
_check voltage
_check connecting cable / motor cable
_check temperature switch
_check tilt sensor
Display message: 2
_mains voltage <180V with 230V grid
_mains voltage <85V with 110V grid
Display message: 1
_mains voltage >270V with 230V grid
_mains voltage >140V with 110V grid
_replace control module
_check fuse, replace if necessary
_replace control module
_check power connection
_check voltage
_check connecting cable / motor cable
_F1 fuse (10A) defective => red LED on
_check proper installation
_check 8N, 9M and 10G clamps
_Set dip switch as shown in figure 4.1 and 4.2
_display message 4
_check motor connection
_check control module connection
_check both coils
_replace motor
_replace control module
_turn potentiometer gently clockwise until swit-
ching torque reached
_check power consumption of motor
_replace motor
_potentiometer reaches end stop
_replace control module
_display message 5
_remove foreign bodies from brush
_remove foreign bodies from motor/transmission
_free brush by hand by turning
_set potentiometer to the desired switching torque
_contact manufacturer
_display message 5
_remove foreign bodies from brush
_replace blocking part