52
Table 9-4 Fault Message
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
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
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)
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)
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)
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)
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)
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
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
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