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ERROR 56 AXPERT 4KW


Haydn
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Morning All,

Have just started a revamp on my battery situation and left 4 105ah to keep the 3 4kw axperts running while new cabling etc done.

However losing all power and error 56 comes up.

Anyone know what the battery open connection is?

Cheers

 

Haydn

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Hi Haydn,

I'm not sure whether you are really asking, or it's just a joke, but error 56 (battery connection open) means that you've disconnected the battery from Axpert.

If you have all the cables back, restarted Axpert and it's still reporting E56, then check the battery fuse or MCB.

Also, if the battery is deply discharged, so the voltage is way bellow the acceptable range, then it might give you E56. In that case, reviving the battery using an external charger will help.

Edited by Youda
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Thanks guy's

Not kidding cabling from the 4 x 105ah batteries to each of the battery disconnect are all good.

Voltage of batteries under load all around 12.2v ( battery tester with load ability )

Will check fuses this evening.

would 1 fuse out of three be able to create the 56 error ? seems logical as they are in parallel.

Cheers

Haydn

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Haydn,

just check the voltage directly on the battery input terminal of each Axpert unit and you will find out.

If there will be the same voltage on all three units, then I would check that internal fuses, just like @Gnome noted.

 

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4 minutes ago, Gnome said:

No offense but are you sure you know what you are doing?

Shouldn't the voltage be 48v for the Axpert 4kW? (thus series not parallel)

Oh yes, this is definitely worth to check! :D

Anyway, please check the exact type of the units you have, and the voltage they require before any further rewiring, as I'm starting to feel some smoke ;)

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4 hours ago, Haydn said:

would 1 fuse out of three be able to create the 56 error ? seems logical as they are in parallel.

I can't be certain. But my reading is that fault code 56 is not automatically sent to the other paralleled machines. So each of the machines must have measured less than 30 V at the battery terminals.

My guess is that your temporary wiring had some sort of glitch whereby there was enough voltage to run the electronics and processor, but not enough to actually run the inverter and power loads.

Edited by Coulomb
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