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InfiniSolar V 4 Code 32 Issue


FadiCha

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Greeting folks...
I got an InfiniSolar V 4 (5.6KW) that trips into a code 32 warning screen (LCD shows only this error). I still have power but nothing seems to work via LCD (keeps flashing 32 with a triangle and an exclamation inside). Checked the user manual the error (warning, actually) is due to a communication board error - whatever that means.

Inverter works fine after a complete reset (all terminals PV / Batt / AC off). But then again it trips into this mode.

Some people suggested I upgrade its firmware. I contacted voltronic sales but they did not reply.

Any suggestions that might help?  

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1 hour ago, FadiCha said:

whatever that means

It means that the display MCU can't talk to the main inverter's DSP (the two computers can't talk to each other).

1 hour ago, FadiCha said:

Inverter works fine after a complete reset (all terminals PV / Batt / AC off). But then again it trips into this mode.

It's probably the issue that plagues this model: noise from the PV getting into other parts of the circuit. Sometimes it's the display, sometimes it's communications.

The solution seems to be a capacitor across the PV terminals, and/or extra metal .shielding. Newer models are modified to fix this. I believe that you can get this fixed under warranty, but of course that means a long delay and inconvenience if there was to be a load shedding.

If you're good with electronics you might be able to do it yourself, but this is a moderately dangerous procedure if you don't do it correctly. Use the following at your own risk:

https://powerforum.co.za/files/file/143-axpert-and-infinisolar-capacitor-modificationpdf/

 

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12 minutes ago, Coulomb said:

It means that the display MCU can't talk to the main inverter's DSP (the two computers can't talk to each other).

It's probably the issue that plagues this model: noise from the PV getting into other parts of the circuit. Sometimes it's the display, sometimes it's communications.

The solution seems to be a capacitor across the PV terminals, and/or extra metal .shielding. Newer models are modified to fix this. I believe that you can get this fixed under warranty, but of course that means a long delay and inconvenience if there was to be a load shedding.

If you're good with electronics you might be able to do it yourself, but this is a moderately dangerous procedure if you don't do it correctly. Use the following at your own risk:

https://powerforum.co.za/files/file/143-axpert-and-infinisolar-capacitor-modificationpdf/

 

Thanks for your quick reply Coulomb, appreciated!
I also contacted the dealer and as you said they instructed me to return the unit for inspection and repair which leaves me without power for a couple of days!

I know a bit of electronics myself and installed my system on my own (had a bit of help though) so I will the document and see if this helps.

Again thank you very much!

Edited by FadiCha
typo
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  • 3 weeks later...

@Coulomb Just as an update my problem was resolved by the dealer (they are proficient it seems) they did 2 things:

  • Updated both firmwares for main and secondary CPUs
  • They changed a country setting from "Germany" to "India"

Now the inverter has been on - stable - for more than a week!

My only problem now is the reading it using the USB port which is not stable, it crashes every now and then. I have to use the inverter's ESC button for 3 seconds which resets the USB controller and my PC can then resume reading.

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