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Error message and Trouble Shooting
6.3 Fault Codes
Message
DC
Injection
1. Utility waveform is abnormal
(F01, F02,
2. Detection circuit malfunction
F03)
1. The ambient air is over 60℃
Temperature
(The installation is abnormal)
(F05)
2. Detection circuit malfunction
Temperature
1. Ambient air is less than -30℃
(F07)
2. Detection circuit malfunction
HW NTC1
1. Ambient temperature
Fail
>90 ℃ or <-30 ℃
(F06)
2. Detection circuit malfunction
HW NTC2
1. Ambient temperature
Fail
>90 ℃ or <-30 ℃
(F08)
2. Detection circuit malfunction
HW NTC3
1. Ambient temperature
Fail
>90 ℃ or <-30 ℃
(F09)
2. Detection circuit malfunction
HW NTC4
1. Ambient temperature
Fail
>90 ℃ or <-30 ℃
(F10)
2. Detection circuit malfunction
1. Driver circuit for relay is
defective
HW RLY
2. Relay(s) is defective
(F13)
3. Detection circuit malfunction
(Inverter voltage)
1. Insufficient input power
HW DSP
2. Auxiliary power circuitry
ADC1
malfunction
(F15)
3. Detection circuit malfunction
Table 6-3A: Fault Codes & Messages
Possible cause
1. Check the utility waveform.
Grid connection of inverter need to be
far away from non-linear load if necessary
2. Contact customer service for
technical support
1. Check the installation ambient and
environment
2. Contact customer service for
technical support
1. Check the installation ambient and
environment
2. Contact customer service for
technical support
1. Check the installation ambient and
environment
2. Contact customer service for
technical support
1. Check the installation ambient and
environment
2. Contact customer service for
technical support
1. Check the installation ambient and
environment
2. Contact customer service for
technical support
1. Check the installation ambient and
environment
2. Contact customer service for
technical support
1. Check the input voltage, must >150Vdc
2. Replace the defective relay
3. Contact customer service for
technical support
1. Check the input voltage, must >150Vdc
2. Check the auxiliary circuitry inside the
inverter
3. Contact customer service for
technical support
88
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