How can you check ignition module[KI-DHQ-30]ON KIPOR SINEMASTER IG3000

https://www.manualslib.com/manual/844106/Kipor-Sinemaster-Ig2000.html#manual

the schematic shows low oil switch there to kill spark dead.

remove the recoil section from the air shroud or if welded on remove the air shroud
If you have never replaced a cord , it may be quicker to take it to any mower shop to have it done as it can be frustrating to get the spring tension correct when winding in the new cord

Here is a PDF with troubleshooting tips and wiring diagrams: http://www.kiporpowersystems.com/pdf/service/IG3000~1.PDF
From Page 36 - If no AC power, first check for continuity between the terminals on the receptacle and the red and black wires going to the inverter module. See the wiring diagram. Check the contacts for discoloration or evidence of burning.

Your oil level sensor is bad. It needs to be replaced. If you unplug the wire leads to the sensor you may get the generator to run, but you'll have no low oil level/pressure protection. The oil level sensor is on the engine crankcase usually near the oil level dipstick. You'll likely see a small sensor with a couple of wires attached to it. To replace it, you'll need to drain your engine crankcase before removing the sensor.

You have a faulty inverter board from what it seems. I'd warranty the generator as soon as possible. Without proper electrical experience, I do not recommend you attempt to replace it yourself as you could cause a fire or injury.

http://www.kiporpowerequipment.com/wp-content/uploads/2015/05/IG2000-Service-Manual.pdf

if you added oil before storing it then it's the oil burning off

first check the circuit breakers if there ok the problem is inside like over heated parts

I just experience the same issue. Mine was a broke wire at step motor. Now to find parts as I hv soldered the wire and works great... I'm sure the others will fail soon enough