
E
Nilfisk
ALTO
Attix7_ver.1.0_140105
7.7 Checking electronic flow metering EC in automatic mode
(Attix 791-2M/B1)
1.
Make sure the unit is isolated from the power.
2.
Remove the hood (see 4.4).
3.
Set the cleaner head on a clean container
(w/o a filter bag) and withdraw the hose from the
container fitting.
4.
Insert the “tool” lamp in the socket (302000765) and
rotate the bulb one turn out of the receptacle.
5.
Apply line voltage and set the switch to “Auto”.
6.
Visual check:
Green LED flashes (standby).
7.
Check:
Turn the bulb properly into the receptacle. The “tool”
lamp illuminates immediately, and the motor starts.
The red, yellow and green LEDs illuminate.
The red and yellow LEDs extinguish after 3-5 s.
Rotate the bulb one turn out of the receptacle.
The motor stops (runs on) after 3-5 s.
“Auto” Mode OK?
Yes - “Auto” Mode OK.
No - Replace electronic
and recalibrate
N
Power line
L1
Termi al
n
EC el tronics
ec
e
LED r d
Tool
Lamp
302000765
LED yellow
LED green
Troubleshooting
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