Unit Will Not Work; Ec Drive) - Nilfisk-ALTO ATTIX 751-01/-11/-21 Repair Manual

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