Delta RPI H3A

39
ERROR
Message Possible cause Action
A01: DC
Offset
Over
Rating
1. Utility waveform is
abnormal
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
A05: NTC
Over Temp
1. The ambient temp. is
above 60°C
2. Detection circuit
malfunction
1. Check the installation
ambient temp. and
environment
2. Check the detection circuit
inside the inverter
A06: Inside
NTC
Circuit Fail
1. Ambient 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
A08: Heat
Sink NTC1
Fail
1. Boost 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.
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