What to do
Cause
Event name /
Aux. code
Code
(hex)
Contact your local ABB representative.
Internal communication error.
PU
communication
internal
5690
If the control unit is externally
powered, check the setting of
parameter
Measurement circuit fault.
Measurement
circuit ADC
5691
If the problem persists, contact your
local ABB representative, quoting the
auxiliary code.
Check the auxiliary code (format ZZZY
YYXX). “YY Y” specifies the affected
Power unit power supply failure.
PU board
powerfail
5692
inverter module (0…C, always 0 for
ZCU control units). “XX” specifies the
affected power supply (1: Power
supply 1, 2: Power supply 2, 3: both
supplies).
Contact your local ABB representative,
quoting the auxiliary code.
Measurement circuit fault.
Measurement
circuit DFF
5693
Check setting of
. Cycle the power to the
Number of connected power modules
differs from expected.
PU
communication
conf
5694
drive. If the control unit is externally
powered, also reboot the control unit
(using parameter
) or by cycling its power.
If the problem persists, contact your
local ABB representative.
Check that the value of
corresponds to the number
Number of inverter modules detected
does not match the value of parameter
.
Reduced run
5695
of inverter modules present. Check
that the modules present are powered
from the DC bus and connected by
fiber optic cables to the BCU control
unit.
If all modules of the inverter unit are
in fact available (eg. maintenance work
has been completed), check that
parameter
is
set to 0 (reduced run function
disabled).
Contact your local ABB representative,
quoting the auxiliary code.
State feedback from output phases
does not match control signals.
PU state
feedback
5696
Charging
feedback
5697
•
Check the setting of
. The parameter
•
Incorrect parameter setting.
•
The charging switch and DC
switch were operated out of
should be enabled only if an xSFC
charging controller is installed.
sequence, or a start command
was issued before the unit was
ready.
•
The normal power-up sequence
is:
1.
Close charging switch.
•
Charging circuit fault.
Fault tracing 559
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