18
18
Nilfisk
ALTO
E
Trouble shooting
Voltage applied to switch ?
Do electronics work?
Does motor work?
Conduct
saefty
check
Does cleaner work?
Repair or replace motor.
Replace electronics.
Check plug and power
c o r d , r e p l a c e i f
necessary.
Start:
line voltage must be present
and plug must be plugged in.
- Touch the protective
coductor to discharge static
from your own body.
- Possibly wear an antistatic
wrist strap.
- Use a conductive floor ta-
bletop.
- Never touch a circuit
board or electronic compo-
nents, always hold
them by the plastic or insula-
tion.
- Transport electronic
parts in conductive packag-
ing (e.g. Special
ESD packages).
ESD (electrostatic discharge)
Observe the following
ESD precautions before
any repairs to electronic
circuitry:
Unit will not work
(all units with brush motor)
Troubleshooting on unit
Yes
No
No
No
No
Yes
Yes
Yes
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