Brightens your future
30
2.
Grid impedance change (∆Z) is higher
than limit
No utility
No Utility
Utility is not available
Input voltage too high
PV over voltage
Input voltage higher than the 750V
Inverter fault
Consistent failure
Consistent fault
The readings of 2 microprocessors are
not consistent. It could be caused by CPU
and/or other circuit do not function well
Temperature too high
Over temperature
The internal temperature is higher than
normal value
Output relay failure
Relay Failure
The relay between inverter and grid is not
functional
Output DC
Injection too high
DC INJ High
Output DC injection too high
EEPROM problem
EEPROM Failure
EEPROM inside has data access problem
Communication
between
microprocessors
problem
SCI Failure
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
Ref 2.5V Fault
The 2.5V reference inside are abnormal
Output DC sensor
abnormal
DC Sensor Fault
The DC output sensor is abnormal
GFCI detection
problem
GFCI Failure
The GFCI detection circuit is abnormal
LCD Display Message Continued
Inverter fault
Model display
Model = xkW
Inverter model, xkW inverter
LCD contrast setting
Set Contrast
Setting the contrast of inverter
LCD display lock
Lock
Hold the present display message
