B2B alarms when inverter switched on

[AMK]

My Sterling B2B alarms identifying voltage drop when I turn my inverter on.

I usually turn the B2B off but i was wondering if there is another fix so don't need to mess about with the sterling every time.

All cables are within spec and fused.

Any thoughts

 

[Raul]

At what load? What are you running of the inverter? What size cables from inverter to battery, and what batteries?

 

[AMK]

At what load? What are you running of the inverter? What size cables from inverter to battery, and what batteries?

I’m pretty sure it’s 16 mm2 with about 2 mts length.

And strangely it does it without a load, just when I turn the inverter on.

 

[Raul]

I’m pretty sure it’s 16 mm2 with about 2 mts length.

And strangely it does it without a load, just when I turn the inverter on.

The inverter cable is 16mm2? Look for bad connection to inverter. As you turn it on, it charges the caps and it creates a surge for a second. This maybe is bringing the voltage below alarm setting.

 

[AMK]

The inverter cable is 16mm2? Look for bad connection to inverter. As you turn it on, it charges the caps and it creates a surge for a second. This maybe is bringing the voltage below alarm setting.

Will have a check tomorrow.

That was the cable size from b2b. I think the inverter is higher.

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