E
Nilfisk
ALTO
Attix7_ver.1.0_140105
2.2
Unit will not work
(all units with EC drive)
Start:
line voltage must be
present and plug must be
plugged in.
Voltage applied to
switch?
Check plug and power
c o r d , r e p l a c e i f
necessary.
Voltage applied to EC-
3 electronics? (See
c h e c k o f E C - 3
electronics)
Check electronics/
board and RFI filter,
replace if necessary .
Does EC motor work?
C h e c k E C m o t o r,
replace if necessary.
Does cleaner work?
C
o
n
u
c
t s
a
fe
ty
c
h
e
c
k
.
d
Yes
No
N
o
Yes
No
Yes
Y
e
s
No
Do EC-3 electronics
work? (See check of
EC-3 electronics)
R e p l a c e E C - 3
electronics.
No
Yes
Troubleshooting
r
h
T
o
u
b
le
s
o
o
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n
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