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Let me know if there is something I can do to help. Brian

F1/F2 - 3.0 VDC and 4.26 VAC (I forgot to include it) Brian

Thanks, That's an excellent explanation. I have a better understanding now. But I remembered something from 6 years ago. That never happens. :beer: Brian

From this thread I started: https://www.steelsoldiers.com/showthread.php?112991-MEP-005A-Load-Bank-Test-w-problems&highlight=t2+transformer Post #11 and #12 I knew there was 120V going to T2. :naner: Brian

T2 - H1/H2 = 216.9VAC T2 - X1/X3 = 126.9VAC T2 - X2/X3 = 63.4VAC T2 - X2/X1 = 63.3VAC F1/F2 = 3.0VDC Yes it's 3vdc Brian

Peter, T2 - H1/H2 = 216.9 T2 - X1/X3 = 126.9 T2 - X2/X3 = 63.4 T2 - X2/X1 = 63.3 F1/F2 = 3.0 I hope I got it right this time. Brian

I think I will stick with 3 amp fuses for now then. Real world tests are the best way to go. :-o Brian

Short Story: My wife woke me up at 03:15 this morning and said we lost power. We have no clue how long it’s been off since our very loud warning buzzer fell off the refrigerator in the basement and was covered by a bunch of stuff. We have a sump pump with a backup battery but don’t really...

I can do this test but not until Monday. I won't be home tomorrow. I did Sewerzuk's mod but I seem to remember his mod put 120V on H1/H2. It's been a really long time but someone with a better memory might remember. I can research it but not til Monday. Brian

Wow, I missed that. Brian

I have two DMM's but they are cheap so I can get another one if needed. With the known good VR - 208.0 vac on H1/H2 - 123.0 vac on X1/X3 and 48.1 vdc on R/S I tried the board I just worked on just to see what would happen. with this board I got - 208.4 vac on H1/H2 - 123.0 vac on X1/X3...

Yes correct Brian

I ran the A-11 assembly on my generator for 15 minutes and have a range of 99-140. With the voltage adjust knob pointing straight up I get 125vac and it never moved. I was curious since the normal A11 assembly I run in the generator has the knob 45 degrees to the left of center to get 125vac so...

I have 1N914-TAP. Would these work or am I better off with 1N4148? Brian

I will try it and let you know. Brian

I will try it later tonight and let you know. Brian

Peter, I read your post just after I tested the board but thank you very much for the information. I purchased this generator in 2012 and in 2013 it had an over voltage error but the generator didn’t shut down. I documented the problems on this site at that time. I had corrosion on most of...

The SCR’s I ordered are from Vishay #VS-2N689 Mouser #884-2N689 (didn’t see a datasheet) Interesting you mentioned the problems with the SCR’s. I bought an NOS VR on EBay a couple years ago. I tried it shortly after I purchased it. It worked great for about 3 seconds then the...

Peter, Here are the measurements you requested: H1 / H2 1.8 ohm X1 / X3 .7 ohm X1 / X2 .4 ohm X2 / X3 .4 ohm I measured 588 mA at H1 (never fluctuated) Let me know if you need anything...

I believe I know what you mean but when you have time send an example just in case. Thanks, Brian