Troubleshooting 165
37204
(0x9154)
DC input current
measurement faulty
One or more DC input current
measurement failed.
Aux. code (format XYZ) indicates
the failed power module.
If X = 1, measurement failed
due to calibration function
If X = 0, measurement is out of
range.
Y = indicates the module
number. E.g. 1 refers to
module 1.
Z = indicates DC input
number.
For example, aux. code 112,
means calibration function
reported faulty current in DC
input 2 of module 1.
• Check DC input connections
and sensor.
• Check aux. code.
37205
(0x9155)
MV Breaker opening Medium voltage breaker is
commanded to be opened and
might remove the auxiliary
control power from the inverter.
Check that operation is safe and
close the MV breaker.
37206
(0x9156)
DC current
measurement faulty
One or more DC current
measurement failed.
• Check DC connections and
sensor.
• Check aux. code to know the
failed power module, for
example, number 1 refers to
module 1.
37207
(0x9157)
SCADA
communication lost
SCADA communication is lost.
Communication is lost if
heartbeat echo is not received
within the defined time.
Verify that heartbeat is echoed
back to system. If echo interval is
too long, modify heartbeat
maximum interval with parameter
164.12 Heartbeat max interval.
37208
(0x9158)
SCADA
communication
timeout
SCADA communication timeout.
Communication is lost when
SCADA does not return
heartbeat within the defined
time.
Aux. code 4 indicates that
communication has returned but
is currently in timeout state.
Control commands are frozen
during timeout state.
Wait for communication timeout
to pass.
Timeout length can be
configured with parameter
164.11 Comm hold-off after loss
event.
37375
(0x91ff)
Solar SW Internal error occurred. Contact your local FIMER
representative.
Code in
Dec
(Hex)
Fault Cause What to do
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