8.2 List of alarms and stop reasons
The following table shows the shutdown reasons that could be related to
each alarm.
ALARM
STOP REASONS
DESCRIPTION
0x0000
None
No alarm, the unit should connect providing that it has sufcient
power.
0x0001
Frequency Alarm
FREC
Grid frequency out of range.
0x0002
Voltage Alarm
VAC
Grid voltage out of range.
0x0004
Sat PI Alarm
CURR.PI.SAT
Internal current loop failure
0x0008
Reset DSP Alarm
WD.RESET
Indicates that the Inverter has been re-set by Watch Dog, inverter
firmware failure.
0x0010
RMSCurrent Alarm
PEAK.CURR
The RMS value for the current is above the permitted maxmum.
0x0020
Elect Temp Alarm
TEMPERATURE
The power electronics temperature is over 80ºC.
AUX.TEMP
The auxiliary temperature sensor has detected an alarm.
0x0040
ADC Reading Alarm
ADC READING
Above normal reading in the ADC at an unexpected input. Loss
of synchronisation.
ADC LAT
Digital to Analogue Converter internal error
HW DESCX
Error in the master - slave system or fibre optics
0x0080
Current Alarm
RMS CURRENT
Instantaeous current value out of range
0x0100
AC Protect Alarm
VARISTORS
Error in the AC varistors
CONTACTOR
The contacator status is not correct, compared to the inverter
status.
AC.PROT
Error in one of the AC protections, surge suppressors, fuses …
AC.MAG.PROT
Error in the three phase input thermal magnetic breaker
0x0200
DC Protect Alarm
DC.PROT
DC input fuses blown or DC surge suppressors
0x0400
Ground Fault Alarm
INS.FAILURE
Insulation failure at the PV array or inverter interior
VARISTORS
Error in DC varistors
0x0800
Current Fault Alarm
FAULT(1)
FAULT(2)
FAULT(3)
Fault in power electronics branch 1
Fault in power electronics branch 2
Fault in power electronics branch 3
0x1000
Manual Stop Alarm
MANUAL STOP
Manual shutdown due to emergency button, display or comuni-
cation
0x2000
Configuration Alarm
CONFIG
Shutdown due to Firmware modification
FIRMWARE.CH
Shutdown due to Firmware loading
0x4000
High Vdc Alarm
VIN
High voltage at DC input
0x8000
Low Vdc Alarm
MIN VPV
Stoppage due to low input voltage.
HW DESCX
Internal stoppage reason, hardware failure
LOW POWER
Shutdown due to low power delivery (habitual stoppage at dusk)
Fatal Error Alarm
FATAL ERROR
Due to five consecutive errors in the branches or to consecutive
contactor stoppage reasons
Installation and Operation Manual
INGECON
®
SUN SMART U
AAS2000IKI05
AAS2000IKI05
Rev. _
Date: February 2011
Page 57