3. If battery voltage is really low，please contact battery supplier to help charge battery to
normal state，don’t let battery discharge too much in future.
4. 5 Error 05
Fault description: Output short circuited is detected by internal converter components
Analysis：
1. Output short circuited has been detected by internal converter components.
Suggestion:
1. Check if wiring is connected well and remove abnormal load.
2. You can test inverter AC output voltage directly，check whether it’s correct or not.
4. 6 Error 06
Fault description: Output voltage is too high
Analysis：
1. AC output voltage sample circuit is damaged.
2. Output abnormal，inverter voltage below than 190Vac or is higher than 260Vac.
Suggestion:
1. Check the output voltage by multi-meter.
2. Turn off PV, batteries and grid to power off the inverter completely till there is nothing
displayed on LCD and restart, observe whether the error code is cleaned.
3. If the error code is not cleared when restarted, replace main board to fix it.
4. Reduce the connected load.
4. 7 Error 07
Fault description: Overload time out
Analysis：
1. Output load is higher than 5500W.
2. It may be the problem inductive load on the machine, and at startup, it will cause
excessive shock current, which will protect the machine and pay attention to
the impact of such inductive load.
3. Could be a short circuit on the load and needs to be checked.
4. The inverter is overload 110% and time is up.
Suggestion:
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