Inverter Status - Growatt Grid Installation & Operation Manual

Set the display:
Set Queensland grid voltage range
Knock to make the display become bright -> Knock to item "Model: GTXXXXXX" ->
Double knock to enter "Normal Volt range" -> Knock to change it to "Qld Vmax
255v" -> wait until the display become dark, then the inverter saved change.
Note: this function is only for Ergon Energy area, Queensland, Australia.
Set language
Knock to make the display bright -> knock to "set language" -> double knock to
enter "language: English" -> knock to select the language you need and wait until
the display become dark.
Set luminance of the display
Knock to make the display bright -> knock to "set LCD contrast" -> double knock to
enter "LCD contrast 2" -> knock to select the luminance you need and wait until the
display become dark.
Auto test
Knock to make the display bright -> knock to "Enable Auto test" -> double knock to
enter "Waiting to start" -> knock to start auto test and wait for the test result.
Frequency
Knock to make the display bright -> knock to "System F: xxHz" -> double knock to
enter "System F: xxHz" -> knock to select the Frequency you need and wait until the
display become dark.
Set contrast
Knock to make the display bright -> knock to "COM Address: xx" -> double knock
to change the Address mode -> knock to set address.
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Inverter is designed to be user-friendly; therefore, the status of the Inverter can be
easily understood by reading the information shown on the front panel display. All
possible messages are shown in the following table.
DISPLAY
System fault
Auto Test Failed
No AC Connection
PV Isolation Low
Residual I High
Output High DCI
PV Voltage High
AC V Outrange
AC F Outrange
Inverter fault
Error: 100
Error: 101
Error: 102
Error: 116
Error: 117
Error: 118
Error: 119
Error: 120
Error: 121
Error: 122
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Inverter Status

OPERATION
Auto test do not pass
No utility, no grid connect
Insulation problem
GFCI fault
Output Current DC offset too high
PV panel voltage too high
Grid voltage out of range
Grid frequency out of range
2.5V Reference Voltage Fault
Communication Fault
Consistent Fault
EEPROM Fault
Relay Fault
Init Model Fault
GFCI Device Damage
HCT Fault
Communication Fault
Bus Voltage Fault
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