Yes I did. I actually noticed the old one was working when I first got there and the unit was cold. I decided to switch the new one in anyway. The next morning when I turned it off it was back to its same old Behavior. So I let it cool off and then it's cycled like normal.
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Mep-803A turns off slow
- Thread starter mdhc3
- Start date
Happy 4th everyone! Not sure if I should start a new thread or all another question in this one so here goes.
My mep803a is set up in an of grid desert property where we spend weekends.
It is now running through a 6k inverter with built in transfer switch.
Since I have owned the unit the percent rated current switch had not moved. If I tap on it it jumps a little but doesn't move under load. Even with the unit off it sits between 25 and 50 percent. I have removed the wires and reinstalled and turned the little black screw with no change.
The deeper problem which I'm not sure is related is that when I use the clothes dryer in my trailer it trips the overload as the heating element is first warming. The dryer has a stated wattage of 5500. I can run both air conditioners, fans, lights, although the lights go through a converter in the trailer because they are dc, without tripping the overload.
If my batteries are full the inverter will run the dryer so the generator should be able to easily handle the load.
Via ebay I purchased ideal part number 35.7003 that the post said was a replacement for the original percent rated current gauge. But the instructions state that it is for 400hz, not 60.
I'm really good at following directions but have little experience with reading the wiring schematics. I read in other forums that the overload relay, gauge, and AM/VM switch all relate to each other in respect to the overload circuit.
So I guess my 2 questions are-
Will the 400hz gauge work?
Will the gauge stop the flow of energy?
Also, as mentioned in other forums I used contact cleaner on the am/VM switch and exercised it but it didn't help.
Thank you again to everyone for all the help!
My mep803a is set up in an of grid desert property where we spend weekends.
It is now running through a 6k inverter with built in transfer switch.
Since I have owned the unit the percent rated current switch had not moved. If I tap on it it jumps a little but doesn't move under load. Even with the unit off it sits between 25 and 50 percent. I have removed the wires and reinstalled and turned the little black screw with no change.
The deeper problem which I'm not sure is related is that when I use the clothes dryer in my trailer it trips the overload as the heating element is first warming. The dryer has a stated wattage of 5500. I can run both air conditioners, fans, lights, although the lights go through a converter in the trailer because they are dc, without tripping the overload.
If my batteries are full the inverter will run the dryer so the generator should be able to easily handle the load.
Via ebay I purchased ideal part number 35.7003 that the post said was a replacement for the original percent rated current gauge. But the instructions state that it is for 400hz, not 60.
I'm really good at following directions but have little experience with reading the wiring schematics. I read in other forums that the overload relay, gauge, and AM/VM switch all relate to each other in respect to the overload circuit.
So I guess my 2 questions are-
Will the 400hz gauge work?
Will the gauge stop the flow of energy?
Also, as mentioned in other forums I used contact cleaner on the am/VM switch and exercised it but it didn't help.
Thank you again to everyone for all the help!
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What lugs are energized (whats your voltage reconnection switch set to)? And how do you have the AM/VM gauge set on the front of the control panel. Pictures help where words fail.
Zed254
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I do not believe your 400Hz meter will work on a 60Hz machine. TM shows 2 different meters - differentiated by Hz.
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In addition to what you listed S8 the Voltage/Phase reconnect switch inside the control cube is in the loop too.
You'll need to do the same with the S8 switch. Need to pull some of the top cover off to get to the guts of S8 to spray it.
When you have the genset running and feeding the inverter the generator will be powering all the AC loads hooked up.
Plus the inverter will be switching to charging mode and it will also be putting load on the genset in addition to your normal AC loads.
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Recommend a clamp on amp meter. See what it is really doing.
I will clean s8 when I get there.
I would have to run it in battle short to use a clamp on meter. By the time I turn on the dryer I can't get to the generator fast enough to test before it faults. Is it generally considered ok to use battle short during test procedures?
I would have to run it in battle short to use a clamp on meter. By the time I turn on the dryer I can't get to the generator fast enough to test before it faults. Is it generally considered ok to use battle short during test procedures?
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Battle short is an excellent on-board tool for diagnostics 
Hello everyone,
So the gauge behaved differently this time. It read up to 80 percent. It still doesn't return to zero when powered down but its definitely better. Using battle short I was able to get through the spot where it goes in to overload protection. I didn't watch the gauge 100 percent of the time but I never saw it get over 80 percent. While it showed 80 percent I used a clamp on meter and got 35ish amps and 37ish on the other leg. I had no idea I was consuming that much power!
So the gauge behaved differently this time. It read up to 80 percent. It still doesn't return to zero when powered down but its definitely better. Using battle short I was able to get through the spot where it goes in to overload protection. I didn't watch the gauge 100 percent of the time but I never saw it get over 80 percent. While it showed 80 percent I used a clamp on meter and got 35ish amps and 37ish on the other leg. I had no idea I was consuming that much power!
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You were in reality around 90% load.