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Feeding current Iac=xx.xA
Feeding current amount in
xx.x A
PV array voltage Vdc=xxx.xV
Input voltage from PV array,
xxx.x VDC
SYSTEM FAULT
Isolation failure ERR ISOLATION
Earth fault of the PV-panels or
failure of surge voltage protection
GFCI active ERR GROUND FAULT
Leakage current on ground
conductor is too high
Grid failure ERR GRID
Grid measured data is beyond
the specification (voltage &
frequency)
No utility
1
NO GRID Utility is not available
Input voltage too high
SOBRETENSION DC
DC OVERVOLTAGE
Input voltage higher than the
450V
INVERTER FAULT
Consistent failure ERR MICROS
The readings of 2 microprocessors
are not consistent. It could be
caused by CPU and/or other
circuits do not function well.
Temperature too high
1
OVERTEMPERATURE
The internal temperature is
higher than normal value.
Output relay failure ERR AC RELAY
The relay between inverter
and grid is not functional
Output DC injection
too high
2
HIGH DC LEVEL
Output DC injection
too high
EEPROM problem ERR EEPROM
EEPROM inside has data
access problem
Communication between
microprocessors problem
ERR COM
The communication between
MCU inside is abnormal
DC bus voltage is too high HIGH DC BUS
The DC BUS inside is higher than
expected
DC bus voltage is too low LOW DC BUS
The DC BUS inside is lower
than expected
2.5V reference voltage
inside problem
ERR REF 2.5V
The 2.5V reference inside are
abnormal
Output DC sensor
abnormal
ERR DC SENSOR
The DC output sensor is
abnormal
GFCI detection
abnormal
ERR GFCI
The GFCI detection circuit is
abnormal