CMS 4000 - Inverter Status; Communications

12
Edition 2.0 2010/06
4. Inverter Status
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
Operation
System Fault
Disconnect Grid
disconnect grid
Grid V Fault
grid voltage out range
Grid F Fault
grid frequency out range
Low Isolation
low input isolation
High PV Voltage
PV input voltage high
High Ground I
GFCI active
High Temperature
temperature too high
Inverter Fault
EEPROM Damaged
EEPROM has problem
Please Initiate
System has not been initiated at the first time
GFCI Damaged
GFCI device damaged
Sensor Damaged
Output DC sensor damaged
SCI Damaged
The communication between the two MCU fault
Not Consistent
The datas are not the same of the two MCU
High DC INJ
Output DC Injection Too High
Relay Damaged
Output Relay Failure
High Bus Voltage
DC Bus Voltage Is Too High
Auto test failed
Auto test failed
2.5V Ref Fault
2.5V Reference Voltage Inside has problem
5. Communications
PV:xxxV BUS:xxxV
2
The PV and Bus voltage
AC:xxxV xx.xHz
2
The Grid voltage and frequency