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Kodak / Axpert King dreaded "Error 61"


NotDave
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Hi Everyone.

The story is pretty much what it says on the tin: The dreaded "Error 61: Communications Failure between a 5kw Kodak / Axpert King and a stack of Pylontech us3000's

The Setup:

1x Kodak branded King 5kw inverter, running firmware 71.90

4x Pylontech US3000 batteries.

No solar panels (yet)

Everything is new and got delivered from the supplier about a week ago.

 

What I have tried:

I have tried to set up everything as was specified in the manual and as I have gathered from the various sources online (mostly on here)

The inverter came delivered with an RJ45 cable to connect between the Inverter and the batteries and I verified that the pin-outs matched what I have seen mentioned on the forum a couple of times. I have checked the cable to make sure there was no breaks or twists in it. I even made up my own using some RJ45 connectors and UTP cable in case the connectors was a little dodgy.

The cable was plugged into the RS485 port on the master battery (checked and rechecked). I made sure the dip switches were using the sequence: 1-0-0-0 on the master and 0-0-0-0 on the slave batteries.

On the inverter the cable was plugged into the Battery Monitor port, and I changed the inverter settings OPTION 5 to PYL.

Sadly, no dice.

 

What I think the problem might be:

A setting somewhere might not be applied - I power-cycle the batteries and the inverter every time after changing the settings to ensure that if a setting is applied to the inverter when it gets switched on, the change is persisted. I also verify that it changed  on Watchpower (Via Bluetooth), but I get the feeling that this is in all likelihood not the problem.

Some coms electronics got fried. The pylontechs came with a data cable which I briefly attempted to use (It has RJ45 connectors on it!). In my attempts to get it working, I had it plugged into the CAN bus on the batteries. I am not sure about the voltages on the data lines, and all likelihood this is probably not the problem either as most designs probably has some built-in protection (one would hope)

The firmware is out of date- Currently the inverter is running 71.90 but I have seen it mention on the forum that the 71.93 firmware is available. I haven't looked into upgrading it yet, but this seems like the only real option available to me at this point, as I am drawing a blank on any potential hardware related issues.

 

An intermittent solution

If all else fails, I'll probably have to configure the inverter with Option 5: USR batteries. From what I understand, the only benefit of the coms cable is that the BMS takes over responsibility of monitoring the batteries rather than the inverter attempting to do it via its own sensors and a bit of guessing.

If I go this route, what are the currently recommended settings for these batteries to not void warranties, observe safety margins and maximize the battery lifespan?

 

Apologies for the long-winded explanation, or if I missed something blindingly obvious in the manual, and thank you in advance for any advice and suggestions I should try.

 

-NotDave

 

 

 

 

 

 

 

 

 

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5 hours ago, Bloubul7 said:

The key problem is that the cable delivered with the unit doesn't work.

Somehow, this seems like a failure of the market. Surely a manufacturer should be ashamed of such a thing happening, sending free new cables to all that need it. Instead, they keep shipping the same wrong cable, and somehow don't seem to suffer much of a sales penalty as a result.

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Okay, so I have made 3 different cables now. Sadly none of them seem to work.

The cable that was supplied:
3 - 8, 5 - 7, 7 - 5, 8 - 3

Custom cable 1:
1 - 3, 2 - 5, 3 - 1, 5 - 2

Custom cable 2:
1 - 4, 2 - 5, 4 - 1, 5 - 2

I see Coulomb has done some work with firmware updates... Is there a specific version you can recommend?

Thanks for the settings, Panther.

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On 2020/09/18 at 6:48 PM, NotDave said:

The cable that was supplied:
3 - 8, 5 - 7, 7 - 5, 8 - 3

The cable that works for me:

Axpert King <--> Pylontech

Pin 3 <--> Pin 8

Pin 5 <--> Pin 7

no other pins connected

The first cable in your list looks like a reversible version of this....

On 2020/09/18 at 6:48 PM, NotDave said:

I see Coulomb has done some work with firmware updates... Is there a specific version you can recommend?

No patched version for the King yet - @Coulomb somewhere said hopefully by year end.

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On 2020/09/19 at 8:02 PM, Calvin said:

The cable that works for me:

Axpert King <--> Pylontech

Pin 3 <--> Pin 8

Pin 5 <--> Pin 7

no other pins connected

The first cable in your list looks like a reversible version of this....

No patched version for the King yet - @Coulomb somewhere said hopefully by year end.

Do you know if the above cable pin-out also work between Axpert King <--> Hubble Lithium or what must the pin-out be on the Hubble battery side? I saw that with firmware 71.92 and 02.49 on the King the Hubble's RS485A can be connected to the King with setting 5 set as LIB.

I presume it's better to let the battery communicate with the inverter through RS485 rather than having no comms cable and using the manual settings 5, 12, 13, 26, 27, 29?

Can you also confirm that all 4 dip switches on the Hubble must stay on 0-0-0-0 for standalone (single battery) use?

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1 hour ago, IronEYE said:

Do you know if the above cable pin-out also work between Axpert King <--> Hubble Lithium or what must the pin-out be on the Hubble battery side? I saw that with firmware 71.92 and 02.49 on the King the Hubble's RS485A can be connected to the King with setting 5 set as LIB.

I presume it's better to let the battery communicate with the inverter through RS485 rather than having no comms cable and using the manual settings 5, 12, 13, 26, 27, 29?

Can you also confirm that all 4 dip switches on the Hubble must stay on 0-0-0-0 for standalone (single battery) use?

Sorry, I did not notice that this was already answered here https://powerforum.co.za/topic/5089-axpert-and-hubble-rs232-ports/

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  • 8 months later...
On 2020/09/19 at 8:02 PM, Calvin said:

The cable that works for me:

Axpert King <--> Pylontech

Pin 3 <--> Pin 8

Pin 5 <--> Pin 7

no other pins connected

The first cable in your list looks like a reversible version of this....

No patched version for the King yet - @Coulomb somewhere said hopefully by year end.

I can confirm this connection works with Pylontech US3000C batteries and an EA Sun ISOLAR SMV III 5K inverter. 

My Pylontech cable pack came with a black cable part WIOSCAN30RJ1 (totally wrong connections) which I cut the inverter plug off of and replaced the plug with only pins 3 and 5 connected as per above (in my case the two brown wires). The 'master' battery has dip switch 1 set to 1 (on), the other batteries are all default 0.

Inverter and batteries are now communicating.

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The comms cable supplied with the Kodak inverter for Pylontech batteries is marked Pylontech at the one end. If you plug that end into the Kodak, you get error 61. I did it. I then swapped it around and plugged the marked end into Pylontech. And the system works 100%

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  • 3 months later...
11 hours ago, Dirkie said:

Should this cable work with inverters in parallel 

I believe that it should. Reading the firmware, I see that the paralleled inverters share the BMS data amongst themselves, for example.

I think some earlier King firmwares (both DSP and removable display) had problems with this though. So updating to the latest firmware (71.97 and 02.66 as I post) might help.

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I tried it on two Axpert max inverters in parallel with the freedom won 10/8 batterye and freedom won canbus to rs485 converter. The master inverter works fine but the slave inverter give me the error 61 so I phoned the thech support at freedom one and they advised me to put the slave inverter setting #05 use and input everything manually and the master inverter setting #05 should still stay on LIB.

So then that made a new problem the master inverter give me a massage 60 witch in the freedom won manuel it say I should ignore because it wil go away when the battery levels go up but the freedom won converter drops the charging amps of the master inverter to 10amps and cause the battery to be not fully charge during the whole day and it also puts the inverter into bypass mode. So then I went back to the client and put both Inverters setting #05 use and set everything manually know its running well again and the client is happy again

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