FAULT
Message
F01: DC Offset
Over Rating
F05: NTC Over
Temp
F06: Inside NTC
Circuit Fail
F08: Heat Sink
NTC1 Fail
1. Utility waveform is abnormal
2. Detection circuit malfunction
1. The ambient temp. is above 60°C
2. Detection circuit malfunction
1. Ambient temp. >100°C or <-24°C
2. Detection circuit malfunction
1. Boost heat sink temp.
>100°C or <-24°C
2. Detection circuit malfunction
1. Check the utility waveform.
Grid connection of inverter need
to be away from non-linear load
if necessary
2. Check the detection circuit inside
the inverter
1. Check the installation ambient
temp. and environment
2. Check the detection circuit inside
the inverter
1. Check the installation ambient
and environment
2. Check the detection circuit inside
the inverter
1. Check the installation ambient
and environment
2. Check the detection circuit inside
the inverter.
F09: Heat Sink
NTC2 Fail
1. Inverter heat sink temp.
>100°C or <-24°C
2. Detection circuit malfunction
1. Check the installation ambient
and environment
2. Check the detection circuit inside
the inverter
F15:DSP ADC
V
grid / Iout Fail
1.
Auxiliary power circuitry malfunction
2. Detection circuit malfunction
1.
Check the auxiliary circuitry inside
the inverter
2. Check the detection circuit inside
the inverter
F16:DSP ADC
V
in / Vbus Fail
1.
Auxiliary power circuitry malfunction
2. Detection circuit malfunction
1.
Check the auxiliary circuitry inside
the inverter
2. Check the detection circuit inside
the inverter
F17:DSP ADC
I
in / Iboost Fail
1.
Auxiliary power circuitry malfunction
2. Detection circuit malfunction
1.
Check the auxiliary circuitry inside
the inverter
2. Check the detection circuit inside
the inverter
F18:RED. ADC
V
grid Fail
1.
Auxiliary power circuitry malfunction
2. Detection circuit malfunction
1.
Check the auxiliary circuitry inside
the inverter
2. Check the detection circuit inside
the inverter
F19:DSP ADC
I
out_dc Fail
1.
Auxiliary power circuitry malfunction
2. Detection circuit malfunction
1.
Check the auxiliary circuitry inside
the inverter
2. Check the detection circuit inside
the inverter
Possible cause Action
45
Measurement, Error Message and Trouble Shooting