Installation manual

110
Troubleshooting
Message Red LED
on
Red LED
blinks
Solution
HW Connect Fail X ► Check the AC connection, must be
according to the manual instructions
► Please contact your installation tech-
nician or DELTA technical support
No Grid X ► Check the connection of the AC plug,
ensure it is connected to the inverter
and the AC breaker is on
AC Volt Low X ► Check the utility voltage connection to
the inverter terminal
► Check the country setting
AC Volt High X ► Check the utility voltage connection to
the inverter terminal
► Check the country setting
Solar1 High X ► Modify the solar array setting and
make the Voc less than 1000 Vdc
Solar2 High X ► Modify the solar array setting and
make the Voc less than 1000 Vdc
Faults
HW DC Injection X ► Check the utility waveform. Grid con-
nection of the inverter may need to be
further from the non-linear load.
► Please contact your installation tech-
nician or DELTA technical support
Temperature X ► Check the installation ambient and
environment
HW NTC1 Fail X ► Please contact your installation tech-
nician or DELTA technical support
HW NTC2 Fail X ► Please contact your installation tech-
nician or DELTA technical support
HW NTC3 Fail X ► Please contact your installation tech-
nician or DELTA technical support
HW NTC4 Fail X ► Please contact your installation tech-
nician or DELTA technical support
Firmware Fail X ► Please contact your installation tech-
nician or DELTA technical support
HW DSP ADC1 X ► Please contact your installation tech-
nician or DELTA technical support
HW DSP ADC2 X ► Please contact your installation tech-
nician or DELTA technical support
HW DSP ADC3 X ► Please contact your installation tech-
nician or DELTA tech. support
HW Red ADC1 X ► Please contact your installation tech-
nician or DELTA tech. support