Austa AU Series - Page 46

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4. Please check whether the ventilation of the machine is normal,
whether the hook-up installation is correct, and whether the air
duct is unblocked.
5. Whether the output power exceeds the rated value.
7
Grounding fault
1. Disconnect AC side circuit breaker.
2. Disconnect DC side circuit breaker.
3.Check whether the ground resistance of each group of PV
arrays is greater than 2MΩ.
8
AC fault
1.Disconnect the AC circuit breaker.
2.Turn off the DC switch.
3. Check whether cables to the AC side are correctly connected,
for example, whether the neutral cable is connected to the
wrong position, and whether the connection is reliable.
4.Ensure that cables are correctly connected to the AC side and
restart the inverter.
9
Leakage current Fault
1.Disconnect the AC circuit breaker.
2.disconnect the DC switch.
3.Check whether the ground resistance of each PV arrays is
greater than 2MΩ.
10
Other Fault
1. Disconnect the AC circuit breaker.
2.Turn off the DC switch.
3.If not, please contact supplier.
Table 6-1 troubleshooting
If the fault cannot be solved or your problem is not mentioned in the above table, please contact supplier.