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The "undercharge" code on a Kipor KDE6700TA diesel generator typically indicates that the battery is not receiving enough charge from the generator's alternator. Here are some steps you can take to address the issue:
Check the battery: First, check the battery to make sure it is in good condition and fully charged. If the battery is old or damaged, it may not be able to hold a charge even if the alternator is working properly.
Check the alternator: Use a multimeter to check the alternator's output voltage. The alternator should be producing around 14 volts. If the voltage is lower than this, the alternator may be faulty and in need of repair or replacement.
Check the wiring: Make sure all wiring connections between the alternator, battery, and generator control unit are clean and tight. Loose or corroded connections can prevent the battery from receiving a full charge.
Check the voltage regulator: The voltage regulator is responsible for controlling the alternator's output voltage. If the regulator is faulty, it may be allowing too little voltage to reach the battery. Check the voltage regulator with a multimeter and replace it if necessary.
Check the fuses: Make sure all fuses in the generator's electrical system are in good condition and not blown. A blown fuse can prevent the alternator from charging the battery.
If you are not comfortable performing these steps yourself, it may be best to consult a professional technician to diagnose and repair the issue with your Kipor KDE6700TA diesel generator.
If you are in Europe, you run 240 VAC @ 50 Hz. If you are in the U.S., you run 120 or 240 VAC both @ 60 Hz. Assuming that it's NOT an inverter generator, if your engine is running too fast or too slow, your frequency will be too high or too low which can damage sensitive electronics or electric induction motors. Apparently, you have a well controlled / monitored generator. While it is still running during those 20 seconds, I would check for your local voltage at it's output. If it is well above or below it's rated voltage, it's frequency will be out of range also, again, assuming that it's NOT an inverter generator. If it is an inverter type, you'll have to take it to a service center for adjustment. If not and the voltage is out of range, I would try adjusting the engine speed to bring it back into spec. I am in the U.S. My father in law had a craftsman 3,650 watt generator that didn't have the monitoring that yours does but it did the same thing. It would run for 20 or 30 seconds and quit. The oil was up and all looked well. I disconnected the low oil pressure switch and it ran fine. I replaced the switch the next day. I have a 7,000 watt Troy Bilt that I have wired into my house for emergencies but I bought a small, cheap Champion brand 1,400 watt generator for portable use. I brought it home and fired it up and out of the box it was putting out 133 VAC instead of the standard 120. I turned the idle down until it read 120 VAC and it works fine as long as I don't try to run a window A/C unit or fridge. It doesn't have the guts to start the compressor but it works great for lighting, TV's or small hand tools. Good luck.
www.kipor.com/upload/spec2011061109073968.pdf P-03. Decrease load less than the related load, turn on the breaker. P-04. Replace the fuse of the same type. Check the circuit and inserter. Replace the starting ...
It could be several things but it sounds like it just running too slow. I would the engine rpms first. Depending if is a two pole or four pole and if your 60hz or 50 Hz on the needed unloaded rpms.
Example: 2 pole 60 hz. Engine needs to be running at 3600 rpm loaded and 3750 rpm unloaded; unless, it has a fuel saving mode.
A 4 pole 60 hz would running half this rpm. The 2 pole producing 50hz would have the engine running at 3000 rpm loaded (about 3100 rpm unloaded)
Now in order for the 50 hz system to produce the same output voltage it requires a different alternator than the 60 hz version; otherwords, You simply can't convert a 60 hz to 50 hz version without changing the alternator by changing the engine speed.
Not sure what you mean "high voltage rpm power generator out", however many people have asked how to adjust the engine for proper voltage output. On generators with~out a voltage regulator, I adjust the engine RPM by using a digital voltage meter that has a Hz setting. Adjust the governor untill the meter displays 60 Hz. With the geneator producing 60 cycles, I know that the engine is turning 3600 rpm (the engine produces max hp when it is turning 3600 rpm). At this point, read the voltage output to verify that the range is between 115 ~ 120. On generators with a voltage regulator, verify/adjust that generator is producing 60 cycles then adjust voltage by turning screw at the regulator (some regulators are sealed with potting compound and can not be adjusted). If your power demands are not that great and you appliance can operate at 50 cycles, adjust governor as needed. Lowering to 50 cycles will also reduce output voltage. Good luck
Hi and welcome to FixYa. I am Kelly. Since you did not mention the make or model number of your generator I will respond in generic terms. If your generator is at 127 volts with NO load it is adjust at the very top end of the manufacturers limits. There is a 10% tolerance so 120 VAC + 12 is 127 VAC. Under an electrical load above 500 watts the generator should drop the output voltage slightly so your generator would still be within factory limits. Personally on any generator as a repair person; I set the output voltage at 126 VAC no load so that when the user puts the generator to work the output voltage is good. If your generator is running at 127 VAC under load then you can adjust the governor screw on the governor plate CCW about 1/2 turn to drop the voltage. Without a generator model number or engine number I can not tell you exactly where the governor plate is on your engine / generator. The screw will have a lock nut that you must loosen 1/4 turn then turn the adjustment screw CCW to drop the voltage. Just make sure to re-tighten the lock nut when the adjustments are complete. Mind you by decreasing the output voltage you also drop the output freqency at the same time you decrease the output voltage. It is better to have 125 -127 VAC under a no load condition as the more electrical load you add the more voltage drop you will notice. It is best to adjust the generator to 122.5 -123 VAC under a medium load. (50% of output capacity) A bread toaster is 1400 - 1600 watts and is a good load for a 3000 watt generator. Also a good hand held hair dryer will use around 1600 watts. If you use this type of load and the voltage output is 122.5 to 123 VAC I would not adjust anything. I have been working on generators since 1970 so this is nothing new for me. I hope that you understand everything I posted. If not, feel free to ask as many questions as you wish in any future response.
Thanks for choosing FixYa,
Kelly
Set the no load revs such that you get 51 Hz out of the generator, at 80% load this ought to give you something like 48.5 Hz with less than a 3% drop in output voltage. If not, you might have governor problems but I'd try servicing and adjusting it before replacing anything other than filters.
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