Delta RPI Series, Operation And Installation Manual

Page: 42 / 154

FAULT
Message Possible cause Action
HW DC
Injection
1. Utility waveform is
abnormal
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
Temperature
High
1. The ambient is over 60 ℃
(The installation is abnormal)
2. Detection circuit malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside the
inverter
Temperature
Low
1. Ambient temperature is
<-30 ℃
2. Detection circuit
malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside the
inverter (RTM1, RTB1, RTG1 and RTH1)
HW NTC1
Fail
1. Ambient temperature
>90 ℃ or <-30 ℃
2. Detection circuit
malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside the
inverter (RTM1)
HW NTC2
Fail
1. Ambient temperature
>90 ℃ or <-30 ℃
2. Detection circuit
malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside the
inverter (RTB1)
HW NTC3
Fail
1. Ambient temperature
>90
℃
or <-30
℃
2. Detection circuit
malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside the
inverter (RTG1)
HW NTC4
Fail
1. Ambient temperature
>90 ℃ or <-30 ℃
2. Detection circuit
malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside the
inverter (RTH1)
HW DSP
ADC1
1. Insufficient input power
2. Auxiliary power circuitry
malfunction
3. Detection circuit
malfunction
1. Check the input voltage, must >150Vdc
2. Check the auxiliary circuitry inside the
inverter
3. Check the detection circuit inside the
inverter
HW DSP
ADC2
1. Insufficient input power
2. Auxiliary power circuitry
malfunction
3. Detection circuit
malfunction
1. Check the input voltage, must >150Vdc
2. Check the auxiliary circuitry inside the
inverter
3. Check the detection circuit inside the
inverter
42
Error message and Trouble Shooting