Toshiba Tosvert-130 transistor inverter issue

[Hellmooth]

As the title says, I was called by a company that fix aeroplane parts, they have a machine that is used for testing generators, it's stopped working and I was asked to have a look. I've told them it's way out of my depth and I pretty much don't have a clue, but said I would stop by and get a look at the machine and see if I could find any information out. Had a look and seen that the invertor display panel had ST-CC is open, had a look at the manual and it seems it needs to be closed for to run, has anyone worked on these before, or know someone that could fix it, I'm in Edinburgh, cheers!

 

[Hellmooth]

I say this as I link out safety circuits whilst working on automation to find a fault, this is a larger scale so don't know if it's advisable.

 

[Darkwood]

Would you ever link out ST and CC to see if it fixes the fault, ie brings the power back on to the machine, obviously done in a controlled safe manner?

I would not advise you to ever unless you understand exactly what you are doing and the risks involved - even just to test a theory, I do it but I do have the knowledge to do so... the diagram you posted is more complex than the one I sourced and may differ' but you need to refer to the manual for that exact model, you only supplied the brand and range, it seems there are a few variants/generations of the tosvert-130.

 

[Hellmooth]

Yeah I'll have to get a look at the exact manual, if I can find the info to trace the circuit then happy days, if not then I won't be getting involved. Cheers!