May 9, 20197 yr 9 minutes ago, Gerlach said: on the Must they use Transistor FAIR/RHRP8120 8A1200V TO-220 Err, I think you mean diode. It seems to be the same thing (maybe a different brand) in a different package. Just a matter of availability, I think. Well spotted!
May 9, 20197 yr 2 minutes ago, Coulomb said: Err, I think you mean diode. It seems to be the same thing (maybe a different brand) in a different package. Just a matter of availability, I think. Well spotted! Thank for the correction there, actually there mistake from there side. Top pick is the Must inverter and bottom one the Voltronic one. Busy checking everything in both manuals and will test tonight to see what needs to be replace. Will make a list of all the stuff. Edited May 9, 20197 yr by Gerlach
May 9, 20197 yr Must do seem to be a little sloppier, e.g. the transistor thing you found above, and I noticed them labelling the middle lead of an IGBT as an Emitter (middle/case is always collector). Well, it wasn't totally clear, they only labelled two of the three leads. Looks like they do their own PCB layout as well. I wondered whether clones would copy the layout as well as the circuit.
May 9, 20197 yr Jip, I spotted some things to that was different. On the Copy part, all the board layout numbers looks the same, but the layouts is on different spots. Wonder if someone on the forum got a MUST unit that they can maybe open and take a close photo for us.
May 9, 20197 yr Jip, I spotted some things to that was different. On the Copy part, all the board layout numbers looks the same, but the layouts is on different spots. Wonder if someone on the forum got a MUST unit that they can maybe open and take a close photo for us.
May 10, 20197 yr @Coulomb Update. Soldered Q6 out and R251 and soldered pin 2 and 4 to out on XT2. Q6 is working when i tested on my meter, R251 is fine and XT2 i got a 3Ohm reading, but i think i will still replace them, i just need to check where I can locally find XT2. I solder everything back and still got the error 9 code, so will replace all the stuff in that circuit part. What does D65 and D73 do and do have maybe info on them, Thinking to replace them to. When I did the test, it was the same story, the 2 caps charge up to about 280v , then it stops because of the 15sec startup cycle.
May 10, 20197 yr @Coulomb Do you maybe have info on the TX2 part name EEL16. To found a replacement transformer isn't easy.
May 10, 20197 yr On 2019/05/11 at 6:35 AM, Gerlach said: To found a replacement transformer isn't easy. It's a custom part. You could possibly figure out the material in the core, the correct turns ratio, and make one, but it would be far easier to order a replacement from your inverter supplier. You might be able to get one from MPP Solar, or their Ebay shop maximum_solar. Use the part number from a service manual. Edited May 14, 20197 yr by Coulomb
May 13, 20197 yr On 2019/05/11 at 12:47 AM, Coulomb said: It's a custom part. You could possibly figure out the material in the core, the correct turns ratio, and make one, but it would be far easier to order a replacement from your inverter supplier. You might be able to get one from MPPSolar, or their Ebay shop maximum_solar. Use the part number from a service manual. @Coulomb Update, i mailed MPPSolar and got a respond back but no luck. They inform me I need to mail the parts department and ask for that part, so today I pop in by one of the solar places that i bought some of my stuff from, and the were so nice, they gave me a board to take parts of to test on my to see if I can get mine up and running. On mosfet Q30 on this board has blown-up. So lets hold thumps that parts transfer will help.
May 13, 20197 yr 14 minutes ago, Gerlach said: they gave me a board to take parts off... Well, that's one way! 👍
May 13, 20197 yr 24 minutes ago, Coulomb said: Well, that's one way! 👍 Jip. Looks like Voltronix/Axpert board. Everythig is space out so nicely on this board. You can actually see where all the tracks is going and easy to trace the stuff.
May 14, 20197 yr 13 hours ago, Gerlach said: Everything is space out so nicely on this board. Oh... is the board they gave you perhaps a 24 V model? If so, the "transformer" TX2 will have a different primary winding, and unfortunately it probably won't be usable on a 48 V model. Edit: check the voltage on the four battery-side capacitors, two either side of the large main transformer, for ~35 V or ~63 V rating (indicates nominal 24 V or 48 V model). Edited May 14, 20197 yr by Coulomb
May 15, 20197 yr On 2019/05/14 at 3:42 AM, Coulomb said: Oh... is the board they gave you perhaps a 24 V model? If so, the "transformer" TX2 will have a different primary winding, and unfortunately it probably won't be usable on a 48 V model. Edit: check the voltage on the four battery-side capacitors, two either side of the large main transformer, for ~35 V or ~63 V rating (indicates nominal 24 V or 48 V model). Thanks for the heads up, but i jump the gun to fast. Strip out the parts the same day that I got the board, and solder them in, started the inverter up, everything switch on, but still error 9 and then I got a burning smell, pulled everything out really fast to switch of the unit. I think Q6 the mosfet is toasted "tested it". Under close inspection i spotted that the mosfet that was on my board had a different code on then the other board one. The EEL16 transformer is the same code on the paper and is till working. I will solder the old mosfer back because that one is still working. Something that i spotted to is, D65 in MPPSOLAR manual "the pic" and the part number is different, the MUST unit and the Axpert unit is using the same part . OOOooo yes, i check yesterday, it's got 63v caps so i'm lucky there.
May 20, 20197 yr Love the thread, and good going. Random question, have you tested the caps and charged them up to the required bus voltage? (Using external supply). Might have missed that step at the start...
May 21, 20197 yr 15 hours ago, Rautenk said: Love the thread, and good going. Random question, have you tested the caps and charged them up to the required bus voltage? (Using external supply). Might have missed that step at the start... Still need to do this, just need something that can push 500 volts for this.
May 31, 20197 yr Hi Guys Yesterday 1 of my "Äxpert" installations done a year ago which i suspect is a clone inverter had S09 error and the red light flashing. We disconnected the battery isolator and reconnected and the error went away. 2 questions: 1) What would have caused inverter to come up with error and stop producing power? 2) Why is resetting the inverter the solution? I want to deploy preventative for all my installations on this inverter moving forward.
May 31, 20197 yr 56 minutes ago, Fazil said: Hi Guys Yesterday 1 of my "Äxpert" installations done a year ago which i suspect is a clone inverter had S09 error and the red light flashing. We disconnected the battery isolator and reconnected and the error went away. 2 questions: 1) What would have caused inverter to come up with error and stop producing power? 2) Why is resetting the inverter the solution? I want to deploy preventative for all my installations on this inverter moving forward. Just keep an eye on it. Mine was running for 4 or 5 days, I switch it off and on and the error was back.
May 31, 20197 yr 3 hours ago, Fazil said: had S09 error and the red light flashing. Typo? On a genuine Axpert, there is only room for 2 digits for an error or warning code. Maybe it was showing 5 in the leftmost group of 3 digits, perhaps PV charging power? 3 hours ago, Fazil said: 1) What would have caused inverter to come up with error Well, it's quite strange if it really was an 09 error. My understanding is that an 09 error can only happen at power up. But you say that the red LED was flashing; that indicates a warning, not an error. Warning codes also flash the two digits, and show an exclamation mark inside a triangle to the right of these digits, where an error (fault) shows ERROR (small writing, obviously), in blue letters on a white rectangle. If it was warning 09, that's undocumented in genuine firmware, and as far as I can see it's never displayed; only warnings 01, 04, 07, and 10, and an undocumented warning 02. Quote and stop producing power? Any error (as opposed to a warning) will stop producing power; it goes into "fault mode" which does next to nothing. Some faults are restartable, others have to be reset by cycling power to reset the firmware. I don't think warnings are supposed to stop power. It's possible to have an error and a warning at the same time; in this situation, the fault code and warning codes interleave (one follows the other, one second each, and you use the warning or error icons to identify which is which). So sorry, not a lot to go on there.
June 3, 20197 yr On 2019/05/31 at 11:13 AM, Coulomb said: Typo? On a genuine Axpert, there is only room for 2 digits for an error or warning code. Maybe it was showing 5 in the leftmost group of 3 digits, perhaps PV charging power? Well, it's quite strange if it really was an 09 error. My understanding is that an 09 error can only happen at power up. But you say that the red LED was flashing; that indicates a warning, not an error. Warning codes also flash the two digits, and show an exclamation mark inside a triangle to the right of these digits, where an error (fault) shows ERROR (small writing, obviously), in blue letters on a white rectangle. If it was warning 09, that's undocumented in genuine firmware, and as far as I can see it's never displayed; only warnings 01, 04, 07, and 10, and an undocumented warning 02. Any error (as opposed to a warning) will stop producing power; it goes into "fault mode" which does next to nothing. Some faults are restartable, others have to be reset by cycling power to reset the firmware. I don't think warnings are supposed to stop power. It's possible to have an error and a warning at the same time; in this situation, the fault code and warning codes interleave (one follows the other, one second each, and you use the warning or error icons to identify which is which). So sorry, not a lot to go on there. Thanks @Coulomb for your valuable input as always. I am really unsure as that is what it displayed and syptoms exhibited. Perhaps a clone inverter I dont know. I went pass the client yesterday and its running as we initially set it up so these phantom errors and events raise the stress bar even higher.
June 5, 20196 yr On 5/31/2019 at 7:44 AM, Gerlach said: Just keep an eye on it. Mine was running for 4 or 5 days, I switch it off and on and the error was back. As you spoke ot so this it return lol Im sending for repairs but was told R4k. Ridiculous as mine is still 9months running
June 5, 20196 yr 3 hours ago, Fazil said: As you spoke ot so this it return lol Im sending for repairs but was told R4k. Ridiculous as mine is still 9months running @Fazil you lucky, mine was 2 months. I was told over R4000 ex vat and then they will try fixing it. Who will do the repairs on yours? Can you take a photo of the side of the inverter with the info on it.
June 6, 20196 yr Im sending it back to Easy Solar power where i procured the inverter. Apparently the cause is over voltage on pv in 3 strings of 3 320w panels apparently is the root cause. Im curious if this error only occurs on the low voltage 145vmax 5kva inverters.
June 7, 20196 yr Apparently some inverters have a short shelf life of my only about 30-60 days geschaft (48V-5kva) only the battery with a maximum of 58V turn. the charging of the batteries ran at that time only over the PCM60x and there were only max 60V on the solarpannel (1600W). I can only ask for photos and reported what was exchanged and was defective on components. So that others also manage to get their devices running again. Error 09 on youtube Edited June 7, 20196 yr by Walde y
June 10, 20196 yr so the 1 that failed on 1 of my installs i mentioned above seem to be "overload..." as mentioned by the service provider. This is what they said. If it is on the dc side then its probably the IGBT circuit. If its on the AC side, the either the 2 caps were leaking which seems to be an issue they have encountered and will be repaired under warranty. iif those caps are fine, then my output load is too high and wont be covered under warranty. I told them the max load measured was under 2kwp as the system is only running Khoi pond LED lights 2 tv sets so its difficult when the stories change.
June 23, 20196 yr 2 questions on this topic 1) Does Error 09 occur on both gel and Li batteries connected? Mine was only with gel. Nothing to date with Li. 2) Has anybody had this failure with the MK2 450V max inverter?
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