MasterVolt XS3200 Inverter: HW Fail 5 & HW Fail 4 Errors After Switching Countries & Solutions

MasterVolt XS3200 HW Fail 5 inverter
After switching from Germany to Italy, he worked until the end of the day, on the second day he did not start but showed a fault, q.cells thin-film panels, ground, bridged with N.
I bought the second one working, because I saw how it worked, it immediately showed an error at startup
HW Fail 4.
What could be the reason?

This error means that you have a damaged inverter.

Ok, but what do these mistakes mean? There is no detailed description in the manual

This is a subassembly error, electronics damage.

What does HW Fail 3 mean

Try to disconnect the ground and start the inverter. I'm guessing that these errors are detection for low resistance between ground and something that you grounded. It is not entirely clear whether you have a tight PE to N (meaningless) or N to minus panels (right assumption, but not too much execution).

I checked is ok there is no puncture on the frame on + or on +. I guess I'll have to start with electrolyte replacement, because it's kinda going crazy. The temperature goes crazy in it, even though the sensors are both plugged in or disconnected and the temperature flies from 40 to 100 degrees .. unless there are more of them. In fact, everything is cold

Well, probably you found the cause yourself, fix the temperature sensor or measuring system first and then look further if it is not ...
Capacitors sit down after 15 years of continuous operation, unless defective at the factory ...
First the sensor, how the temp is going in the range, maybe cold solder or something like that ...

The problem is that there are at least two. And someone could see the scheme of this invention. Or service data ??

Service shops are virtually unheard of these times ...
You have to search for yourself in turn in the inverter ...

the fault itself disappeared after some time, but I have already bought the second inverter Sunny Boy SB 3800 and the best decision was, the SB 3800 is a decent solid equipment and some Chinese like Mastervolt, the company sold and even the service is gone.
greetings

You're doing me an ad here .. Everyone knows that Fronius inverters are the best

Fronius is the best inverters after SMA.

The error in my case was caused by the disconnection of one of the fans. The inverter checks if they are working. It will not move without a fan.

I am asking colleagues who have Mastervolta XS 3200 on the wallpaper to read the values of probably two transistors marked in the photo. In mine, one power transistor and a power diode short-circuited and this was probably the cause of the explosion of the above-mentioned elements marked as QA7 and QA8. Thank you so much for help.

Oh please.
2sa1972
x83003
You are very lucky to have it in parts. What are the transistors for?



I see wiring with you or is it a voltage measurement branch?

rsv6 thanks a lot, I follow your entries regarding this inverter and I have been counting on you. I am not an electronics so I do not know what these transistors are for, but they fired along with this path which is repaired there, it goes from the middle leg of the transistor to the resistor leg and to the + big capacitor. I will order the parts and try to run and, of course, let me know what and how.

I am looking at this board and these transistors are in no way connected to the processor, they hang in the air between the capacitors. In my opinion, this is some kind of compensation for the difference in voltages on the capacitors that are in series in the case of unequal capacitance so that the capacitors with higher resistance are not overloaded with too much voltage. But let real electronics say something because I'm rather passionate about it.

Here is a pathological diagram from the plate.


What maximum voltage do you supply the inverter with?
Did the inverter shut down completely after this explosion?

So in turn 1 - I bought an inverter as the seller in my opinion, the scammer described that after turning on the 100w from the power supply, it started and displayed NONE, but did not check what's next. Ok, it came, so I connected it to the DC, I gave it about 300V but not loaded, after the load it is 240V and darkness. So I started up, I see that the multi-core tape was unfastened, then I already knew that the guy was telling a story, but I quickly sanded the tape, but I connected my other DC circuit 600V without load with load gives some 480V. After traversing, as I wrote, Diode APT60D60, Transistor 47N65C3 and those from the photo 2 pcs + path still compact stabilizer UM9 LM7912CT, but I do not know if it is the original, because it was already transferred with those next to UM1 L7812CV3 and UM19 7815CT. As you are on top and original, a request to check these 3 pcs.

As for me, it's a waste of your time on this inverter because it is not enough to be very unreliable and very poorly made it is still buried it will be difficult to reach the order and composition ...

Boleczek33 wrote:

So in turn 1 - I bought an inverter as the seller in my opinion, the scammer described that after turning on the 100w from the power supply, it started and displayed NONE, but did not check what's next. Ok, it came, so I connected it to the DC, I gave it about 300V but not loaded, after the load it is 240V and darkness. So I started up, I see that the multi-core tape was unfastened, then I already knew that the guy was telling a story, but I quickly sanded the tape, but I connected my other DC circuit 600V without load with load gives some 480V. After traversing, as I wrote, Diode APT60D60, Transistor 47N65C3 and those from the photo 2 pcs + path still compact stabilizer UM9 LM7912CT, but I do not know if it is the original, because it was already transferred with those next to UM1 L7812CV3 and UM19 7815CT. As you are on top and original, a request to check these 3 pcs.

Wait a minute because I do not understand how you gave 300V without load. Since the transistors were short-circuited right away. If NONE is lit, then there is no power supply on the AC side

Added after 3 [minutes]:

In my opinion, 600V voltage is much too high for this inverter. it's best to connect to it max 400V. It is not surprising that these transistors have fired. It even pierced the power side of logic.

Added after 6 [minutes]:

I have a question, how did you solder the entire board without damaging the pads on the main board?

Qcells panel, unloaded, gives 90V, for example, loaded by the inverter, it drops to 70V, it is MPP voltage. So analogically 7 panels are 630 / 490V power 2800W. As for none, as I wrote the guest said that it displays, did not display anything, was a dark and silent inverter. As for the 600V, my cousin had this new inverter and he had 4 such sets of 7 panels and believe me for a year there was nothing wrong with this inverter. It turned off the inverter several times, as the power limited to 2500W, then the voltage increased and turned off above 600V, after a year it was replaced by another one. That one was about to finish.
The plate was desoldered with a desoldering iron, a great device and I helped with hotairem

You write a little incorrectly because they are not loaded only this is the voltage at which they give the most energy. In fact, and so it changes from the intensity of the sun. Cool, I was afraid of it being soldered out because of the paday because the very warming of the plate to spw47n60c3 had to be heated for a long time.

I still think 600v is too much for this inverter. After disconnecting this tape, the inverter has no chance to turn on. Must communicate first with the Dspic 30F3010 knowing that the inverter is not sure you should start from max 150V and look what will happen. The greater the voltage the worse. These capacitor transistors should not interfere with the operation of the inverter in any way but only protect the capacitors against overload in the event of an unbalanced charge because they are in series.

In your case, I suggest starting with the desoldering of burnt transistors Spw47n60c3 and diodes can not be there on any short circuit and between 1 and 3 foot each minimum 30 Ohm no less. It is best to desolder both diodes on the joint heat sink, leave only one on a separate one. And check if the inverter works without mppt after this one diode. If it works, you can continue working. I do not know which branch has died I need to know exactly which transistor it is. Because the first 4 are from the mppt the next 4 are in front of the separating transformer. You did not need to desolder the entire CD. The oscilloscope here and so much will not work because there is too much dependence and everything changes.

Added after 12 [hours] 47 [minutes]:

Leon444 wrote:

As for me, it's a waste of your time on this inverter because it is not enough to be very unreliable and very poorly made it is still buried it will be difficult to reach order and composition ...

Generally speaking, I totally agree with you because it's a bit of a mess with this company.

rsv6 wrote:

I still think that 600v is too much for this inverter

I am also of the opinion that it is a top and thin border, so I will not be able to connect to this circuit.

rsv6 wrote:

After disconnecting this tape, the inverter has no chance to turn on

So that's why I think that the fairytale guest told me that some NONE was shining for him
And how is it with these transistors. You write that they are SPW47n60c3. for me, the originals are 47n65c3, and someone has already replaced 2 items at 47n60c3. Are these 3 different and similar symbols the same, probably not ?. can they be mixed up in one string?
In my picture, the compact, diode and transistor are soldered out.

Uuu went transistor of the second section can be a problem. I wonder why he burned. For me, he mostly smoked TC4420
I do not know if you have already ordered parts but at the beginning I soldered the first branch with the first 4pcs SPW47 diode can be.

Check also the 3 diode is on a separate heat sink that is small in the back as seen on the left in the picture.

Complete the missing SPW47 on the right with what you desolden with the left functional. They must be all 4 desoldered on the left as you want to check it without the first part of the MPPT
The inverter without the first 4 transistors will work however it will not be able to load the Panels below 250VDC under load.

I try in one branch to give the same lot of transistors never different. There will be light diversity and later stairs are made.

For me, this transistor was burning through the fault of TC4420 and later from the Prock itself.

TC4420 can be checked in this way 4 leg minus, 1 leg + 15V no more because you burn it! Connect volto with minus to negative, plus up to 7 legs you have to have 0V there and after giving 5V to 2 legs of the system you have to appear on 7 + 15V. Very important! Do a test on a desoldered circuit because you can release the output of the DsPIC30F3010 processor - I immediately say that you need an expensive programmer and the system is not in Poland!

I have not yet ordered the parts, I do not understand your order, i.e.

rsv6 wrote:

for the beginning I solder the first branch with the first 4pcs SPW47 the diode can stay.

understand that from the left of my picture ?, then you write

rsv6 wrote:

Complete the missing right SPW47 with what you desolden with the left functional.

Since at the beginning I have to supplement the left side, why do you write in the moment, what you unsolden from the left? unless I have to do it in stages, i.e. the left side of the photo, it will be ok, then it will be soldered to the right - rehearsal, etc.
Diode on a separate heatsink approx.

No ... You misunderstood. Only 4 transistors are to be left from the right. I wanted you to solder in order to replace the burned one.

rsv6 wrote:

Must be all 4 soldered on the left as you want to check it without the first part of MPPT

soldered or desoldered, unless desoldered.

I've already improved! Please forgive I wrote from the phone and there it automatically corrects.

Boleczek33 wrote:

rsv6 wrote:

I still think 600v is too much for this inverter

I am also of the opinion that it is a top and thin border, so I will not be able to connect to this circuit.

rsv6 wrote:

After disconnecting this tape, the inverter has no chance to turn on

So that's why I think that the fairytale guest told me that some NONE was shining for him
And how is it with these transistors. You write that they are SPW47n60c3. for me, the originals are 47n65c3, and someone has already replaced 2 items at 47n60c3. Are these 3 different and similar symbols the same, probably not ?. can they be mixed up in one string?
In my picture, the compact, diode and transistor are soldered out.

Did this inverter finally move you?