Delta C1000 - Page 66

Message Possible cause Action
Temperature
HW NTC2 Fail
1. The ambient is over 60°C
(The installation is abnormal)
2. Detection circuit malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside
the inverter
HW NTC1 Fail
1. Ambient temperature >105°C
or <-40°C
2. Detection circuit malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside
the inverter (RTM1)
Temperature
1.
Ambient temperature is <-30°C
2. Detection circuit malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside
the inverter
1. Ambient temperature >125°C
or <-30°C
2. Detection circuit malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside
the inverter (NTC_R & NTC_U)
HW NTC3 Fail
1. Ambient temperature >125°C
or <-30°C
2. Detection circuit malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside
the inverter (NTC_S & NTC_V)
Temp High
1. Filters of air inlet are blocked
2. Detection circuit malfunction
1. Replace filters of air inlet
2. Check the detection circuit inside
inverter
HW NTC4 Fail
1. Ambient temperature >125°C
or <-30°C
2. Detection circuit malfunction
1. Check the installation ambient and
environment
2. Check the detection circuit inside
the inverter (NTC_T & NTC_W)
HW DSP ADC1
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
HW DSP ADC2
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
HW DSP ADC3
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
HW Red ADC1
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
Table 6-3 : Fault Message
66
Troubleshooting