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Installation and Operation Manual 22
4. Identification of LCD Display Information
Working Conditions
Message display
in English
Description
Normal working status
Not Functioning Period No display PV voltage < 70V, the inverter is switched off
Stand-by Stand-by
PV voltage < start voltage
*
Self-test Checking
PV voltage > 150V, the inverter get started
and self test all modules
Normal Power Generation,
MPPT
Normal
Generate AC power and feed to municipal.
Grid after self test is completed.
Monitoring parameter display
I n s t a n t P o w e r R a t e &
Volume Of Electricity Power
X X X X W /
XXXXX Kwh
Instant power rate & volume of electricity
power
Voltage And Current Of
Input DC DC XXX.X V/
XXX.X A
Voltage and current from PV arrays
Voltage And Current Of
Output AC AC XXX.X V/
XXX.X A
Municipal Grid voltage and current at the
moment with input of solar energy
System faulty display
DCI Over Range Error 1.
DC component in output current is over
safety regulation
Current Leakage Fault Error 2. Current leakage too high
AC Disconnection Error 3. No municipal Grid detected
AC Frequency Fault Error 4. AC frequency too high or too low
AC Voltage Fault Error 5. AC voltage is over range
PV Voltage High Error 6. Input PV voltage is over regular
BUS Voltage High Error 7. BUS voltage too high causes inversion failure
PV Current High Error 8. Over high input current
Temperature High Error 9. Equipment’s temperature too high
Insulation Low Error 10. PV arrays insulation grade too low
Automatic Test Fault Error 11. Self test failure
Device Fault Error 12. GFCI device fault
DCI Adjust Fault Error 13. DCI Adjust Fault
Relay Fault Error 14. Relay not connected or touch point adhesive
EEPROM Fault Error 15. EEPROM read/write fault
Communication Lose Error 16.
Primary and secondly CPU communication
faulty
Consistency Fault Error 17.
Test inconsistent between primary CPU and
secondary CPU
Ground Unconnected Error 18. GND wire is unconnected with ground
Remote Off Error 19. Remote off command received
Communication Fault Error 20.
Dat a fo r mat b et ween t h e p rimar y an d
second ar y CP U faul t
*: 1KW is 120V, other capacity 150V. It could be set.