Name: SunSynk 8kW
Brand: SunSynk
Rating: 5 (1 reviews)

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Website: www.sunsynk.com E-mail: sales@globaltech-china.com

F42 - AC line low voltage

The AC upper and lower voltages are controlled by the Grid Setup page.

If you are experiencing the F42 fault, we suggest that you adjust better the High and Low grid voltages on

the Grid Setup page.

Figure 58 - Grid setup page.

If you are continually experiencing F42, it may be worthwhile fitting a data logger to see what is happening

with the mains and contacting the power utility company because this is actually a problem with the supply

coming into the property

F47 AC over frequency / F48 AC lower frequency

Check the frequency settings on the inverter system on the grid page and adjust the frequency slightly up

or down to match your grid.

F56 - DC busbar voltage is too low

Generally, this error is a battery problem, possibly a damaged BMS. If you experience an F56 fault, you

need to focus on the battery, the battery cables, the battery connections, battery discharging parameters, and

the general condition of the battery.

1) Check if battery cables are nice and tight.

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SunSynk 8kW Specifications

General