23
23
Nilfisk
ALTO
E
Troubleshooting
Checking electronics of automatic starter with speed
control in “MAN” mode
Attix 50 AS/E XC Circuit Board with Soft-Start,
Speed Control and Automatic Tool Start for Electric tools
1. Isolate component from the electricity supply. 2. Remove cover. 3. Apply mains voltage.
Set switch to position “AUTO” at full power.
4. Visual inspection:
Green LED lights up (5 V OK).
Red LED off (motor is not activated).
5. Isolate component from the electricity supply. 6. Remove the two motor cables from the circuit board and the switch.
7. Connect test lamp 302000764. 8. Test:
Green LED lights up (5 V OK) Red LED lights up (motor is activated).
“Motor” test lamp is off (302000764). Plug “Electrical tool” test lamp into the socket (302000765)
“Electrical tool” test lamp lights up immediately. “Motor” test lamp slowly starts to light up (soft start).
Set switch to minimum speed. The brightness of the “Motor” test lamp becomes less.
Unplug “Electrical tool” test lamp.
Tool
302000764
N
L 1
Tool
302000765