Danfoss VLT 3006 Product Manual page 146

29)
Symptom
VLT frequency
®
converter trips But,
"overvoltage"
displayed and Motor
does not brake.
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Fault location
30)
Is LED "ready" on the
brake control card active
(green LED lights up)?
Yes
31)
Are both LED´s "braking"
and "overload" on the
brake control card active
during braking period
(yellow and red LEDs)?
32)
Are the brake resistor and
the connection to it OK?
®
MG.30.A7.02 - VLT is a registered Danfoss trademark
No
Yes
Yes
33)
Are the connections to
the brake control card
OK?
Yes
34)
Call Danfoss
for assistance
145