Delta RPI-H3, Operation And Installation Manual

Page: 49 / 64

FAULT
Message
A01: DC Offset
Over Rating
A05: NTC Over
Temp
A06: Inside NTC
Circuit Fail
A08: Heat Sink
NTC1 Fail
1. Utility waveform is abnormal
2. Detection circuit malfunction
1. The ambient temp. is over 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 far away from non-linear
load if necessary
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
1. Check the installation ambient
and environment
2. Check the detection circuit inside
the inverter.
A09: 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
A15:DSP ADC
V
grid
/ I
out
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
A16:DSP ADC
V
in
/ V
bus
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
A17:DSP ADC
I
in
/ I
boost
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
A18: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
A19: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
49
Measurement, Error Message and Trouble Shooting