143
MG.30.A7.02 - VLT
®
is a registered Danfoss trademark
Symptom
No message or
backlight in display
Have pre-fuses for the
VLT
®
frequency converter
blown?
No
Yes
Is the control card
overloaded? Disconnect
all control signal plugs
on the control card.
Does the fault disappear?
No
Yes
Ensure that the previous
points are OK:
The fault can be caused
by short-circuiting on the
control signals.
The 24 V supply might
be short-circuited.
8)
9)
13)
10)
11)
14)
only VLT
®
types 3060 - 3250
Call Danfoss
for assistance
12)
Call Danfoss
for assistance
15)
Call Danfoss
for assistance
Have the built-in mains
fuses blown?
Yes
Fault location
Содержание VLT 3000 Series
Страница 18: ...18 MG 30 A7 02 VLT is a registered Danfoss trademark Function diagram for VLT type 3008 385 415 V Product range...
Страница 58: ...58 MG 30 A7 02 VLT is a registered Danfoss trademark EMC installation VLT 3060 3250...
Страница 62: ...62 MG 30 A7 02 VLT is a registered Danfoss trademark How the display looks in the four modes Display layout...
Страница 147: ...147 MG 30 A7 02 VLT is a registered Danfoss trademark Accessories...
Страница 156: ......