AKD Fault Card | 2 Fault and Warning Messages
Fault
(“F”)
Warning
(“n”)
Message/Warning Cause Remedy Drive
Respons-
e to Fault
F545 String current over peak
limit
String current is higher
than AKD-C Rated
Peak Current.
Lower AKD-N current limits
to prevent overdrawing
AKD-C current
Disable
Drives
and
Unpower
Strings
F546 String current over con-
tinuous limit
String current is higher
than AKD-C Rated
Continuous Current
(I²T).
Lower AKD-N current limits
to prevent overdrawing
AKD-C current
Disable
Drives
and
Unpower
Strings
F560 Regen near capacity,
could not prevent over
voltage.
An F501 Bus Over
Voltage has occurred
while the Regen Res-
istor was at or above
75% of its dissipation
capacity.
Increase the size of regen
resistor to be able to dis-
sipate more power.
Disable
power
stage
F561 More than 8 AKD-Ns con-
nected at string2
Too many drives on
string 2.
Reduce NSDs on String 2
to 8 or less
Disable
Drives
and
Unpower
Strings
F562 More than 8 AKD-Ns con-
nected at string1
Too many drives on
string 1.
Reduce NSDs on String 1
to 8 or less
Disable
Drives
and
Unpower
Strings
F564 Number of connected
nodes on string 1 has
decreased.
Drive has been removed
from string 1.
Investigate AKD-N Eth-
ercat communication,
determine where network
connection failed.
Disable
Drives
and
Unpower
Strings
F565 Number of connected
nodes on string 2 has
decreased.
Drive has been removed
from string 2.
Investigate AKD-N Eth-
ercat communication,
determine where network
connection failed.
Disable
Drives
and
Unpower
Strings
F570
N570
Phase loss. Phase loss detected on
HV48.
Check mains power
voltage. Fault action con-
figurable by
FAULT570.ACTION
.
Disable
power
stage
25 Kollmorgen | kdn.kollmorgen.com | November 2019
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