Danfoss VLT Series Programming Manual page 381

Diagnostics
LED Color Flash status
Aux 2 Green –
On
Off
Safe 1 Green On
Off
Safe 2 Green On
Off
SAB Green On
STAT
Flashing
Off
Red On
Flashing
NET Green/ Fieldbus dependent.
STAT red
Link/A Green –
CT X1
On
Flashing
Off
Link/A Green –
CT X2
On
Flashing
Off
MG36D102
Programming Guide
Description LED
State of the auxiliary Link/A
voltage on line 2. CT X3
State machine is in
state Standby, Power
up, or Operation
enabled. Auxiliary
voltage is applied to
the output connectors
Link/A
on line 2.
CT X4
State machine is in
state U disabled or
AUX
Fault. Auxiliary voltage
is not applied to line 2.
24 V for STO is present
on line 1.
Table 9.8 Legend to Illustration 9.2
24 V for STO is not
present on line 1.
24 V for STO is present
on line 2.
24 V for STO is not
present on line 2.
SAB is in state
Operation enabled.
Auxiliary voltage is
applied at the input.
No auxiliary voltage is
applied at the input.
The SAB is in state
Fault.
Mains is not applied at
the input.
Network status of the
device (see
corresponding fieldbus
standard).
Link/activity status of
In.
Ethernet link
established.
Ethernet link
established and active.
No link.
Link/activity status of
Out.
Ethernet link
established.
Ethernet link
established and active.
No link.
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Color Flash status
Green –
On
Flashing
Off
Green –
On
Flashing
Off
Description
Link/activity status of
line 1.
Ethernet link
established.
Ethernet link
established and active.
No link.
Link/activity status of
line 2.
Ethernet link
established.
Ethernet link
established and active.
No link.
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