ZGR SOLAR STR 250
Operation manual
www.zigor.com
37
5
TROUBLESHOOTING
Malfunctions of the equipment
5.1
ZIGOR
recommends that, in case of any anomaly, strange noise or supposed malfunction, the inverter should be
shut down and ZIGOR customer service should be contacted.
The
ZGR SOLAR STR 250
has a section for possible fails and alarms (Table 5-1and Table 5-2).
ERROR
CODE
DESCRIPTION
AC Voltage Low
F00-1
AC Voltage is too low.
AC Voltage High
F01-1
AC Voltage is too high.
AC Frequency
F02-1
AC frequency is too low.
AC Frequency High
F03-1
AC frequency is too high.
Bus Voltage Low
F04-1
Low Bus voltage is too low.
Bus Voltage High
F05-1
Bus voltage is too high.
Bus Voltage Abnormal
F06-1
Positive voltage or negative voltage is too high or
too low on bus.
Insulation Impedance Low
F07-1
PV arrays Insulation impedance is too low.
Input current high
F08-1
PV Input current is too high.
Hardware Current High
F 09-1
Inverter current is too high.
Inverter Current High
F10-1
Inverter current is too high.
Inverter DC Current High
F11-1
Inverter DC current is too high.
Ambient Temperature High
F12-1
Ambient emperature is too high.
Heatsink Temperature High
F13-1
Heatsink temperature is too high.
AC Relay Abnormal
F14-1
AC relay is abnormal.
PV Input Voltage Low
F15-1
One of PV input is idle wheninverter is set on parallel
mode.
Remote OFF
F16-1
Status of inverter is on remote off.
SPI Communication Fault
F18-1
Communication fault on control.
Reserved
F19-1
Reserved
Leakage Current High
F20-1
Leakage current is too high.
Self-Checking Failure Of Leakage
Current
F21-1
Self -checking Failure of Leakage Current.
Consistency Voltage Fault
F22-1
Inconsistent voltage between primary CPU and
secondary CPU.
