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Any suggestions on a source for a new R1? I found one that would appear to match on Mouser Electronics website for $20. But i'd be more confident ordering one from someone that works on these generators. A new R16 too if the 1K ohms is right rather than the 1.3 ohms that i'm finding with my...

Ok, I disconnected the wires from R1 It does make a difference. The resistance across the top connector (looking at it as if the control panel is closed) and the bottom one is 18Kohms. Across the top and the middle connectors it varies with the dial, however it may be malfunctioning as the...

Guy I also checked resistance on the R1, without disconnecting anything. Checked across 2 outside connections. Middle connector is wired to one outside connector. Just like in the picture at 76.121.108.2 › D 15kw MEP-804A and B TQG It reads 1.6 k ohms (dialed all the way down) to 1.9 k...

RE the R16 resistor on internet search i found this 76.121.108.2 › D 15kw MEP-804A and B TQG which shows this resistor as 1 ohm

(Its located on a panel in the control box. The panel has a fuse/circuit breaker and a switch for 50/60 hertz mode. On the back side is the R16. Most folks would never in a million years look there!) Guy, I did after all find R16 i think. On the back side of the 50/60 switch as you said. I...

I tried to check the governor control A-5 according to 4-2.1 in the TM. While holding Master Switch (S-1) in START position, check for voltage from pin positions 1,3,5 on GCU (A-5) ground. Readings should be battery voltage. If there is no voltage between any connections...

I tried to check the governor control A-5 according to 4-2.1 in the TM. While holding Master Switch (S-1) in START position, check for voltage from pin positions 1,3,5 on GCU (A-5) ground. Readings should be battery voltage. If there is no voltage between any connections...

Guy, I still can't locate R16 On the panel on the control box you seem to be describing, there are, on the top row: Battery Charger Fuse, Load Sharing Adjust, Reactive Current Adjust; on the bottom row, DC Control Power, frequency Select (60/50), Overspeed Reset. There isn't anything else on...

Guy, the K15 relay is working. I couldn't see it well through front opening so I took the top panel off. Its apparent that the top panel has been removed previously. I didn't see any "flag" but it is easy to see it operate from the top. It activates when S1 is turned to start, de-activates...

For what it's worth: When the generator did show good power on the meters for both me and the other guy, we both turned the voltage adjust knob and saw voltage change on the meter.

Ok, here's what i found TRC volt regulator 19870 TRC power transformer 17910 I do not find R16 resistor R1 is listed on my schematic as Volt Adjust potentiometer. Maybe this is what your list has as rheostat? This has been changed, the connections aren't original, soldering is messy. The...

Is this component compatibility issue consistent with the fact that we have on occasion gotten this machine to generate power without knowingly doing anything different? I printed your list guyfang and will take a look later this morning. I know i have seen TRC label on the voltage regulator...

Working on other stuff today, but got back to this tonight. OK, did that Guyfang. Starts normal, still low voltage, but now the circuit interrupter indicates (by the light) that it is closed when I move switch. Still shows only 25 volts on meter, my tester shows same on contactor at L1-L2...

I recently bought an 804A, about 1600 hours, good clean condition, runs nice but it is not generating power, most of the time. But, on at least two start-ups it has generated good voltage, first when i first got it home two months ago, and once last weekend when we started to hook it up to put...

mromrell, I have been communicating here with Guyfang last two days about a MEP 804A. I am in new mexico, bought the generator recently out of las cruces, and am trying to put it to work. I have had 208 volt power intermittently, but nothiing now. Doesn't seem to be producing power out of...

yes it has 24 v dc there

have 24 v dc at pin seven as long as S1 is in start position

Quad fuse is good Started, held in start position, low volts on AC meter (25 or less) Flip on S7, no difference, release S1 no difference Under volt light on A2 is lit.

Yes I am holding in the start position up to 15 seconds i was not present when my helper (who is better at this than I am) got power. The battle short switch may have been coincidental to getting power. He says the low voltage light was lit all the time, but that doesn't make sense when...

Guyfang, if you are in germany, time difference may be an obstacle. When do you look at this stuff? Could we communicate by phone text message?