Have the alternator checked by an electrician
a t idle will be low as the exciter circuit will be producing low volts but it should go up when at operating rpms
45 volts at rpms indicates that the field windings of the alternator are not getting full current to produce the desired out put
SOURCE: Volts to high
in order to set voltage you have to adjust the govener idle screw , that is what helps regulate the voltage, the higher the motor revs, the higher the voltage, the lower, the lower the voltage. the govener arm is normally a gold color arm with a small rod connected on top of the block. it should have a screw with a nut, or just a screw. turn counter clockwise, then ck voltage output,repeat till desired voltage. i usually, set mine at about 124, because once you put a load on it, it will bring the voltage down some. hope this fixes your problem. let me know. troy
SOURCE: I have a Coleman Powermate 5000 / No power output
Two suggestions. One: check for voltage from the secondary coil wires (if it has one). Two: unless stated do not do this, I have always flashed the excitor circuit through the 120vac receptical. Give these a shoot and I hope it works for you.
SOURCE: three year old coleman 5000/6250 generator. High
Your RPM's are too high. There is no voltage regulator in coleman generators (generator is actually made by generac) and is 100% dependent on engine speed. There is a screw under the tank when your looking in from the recoil side. It controls the governor arm. Screw it in and it incresses the rpm, out decrease. Plug something in that draws a decent load while setting the rpms since you want it to put out 120 and 240 underload. Your idle voltage does not matter.
SOURCE: voltage is high around 150 volts. I reduced the
The speed will change the 'frequency' too. You need to make sure you still have 60 Hz. You may have need a voltage regulator adjustment, not a speed adjustment.
If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c
SOURCE: Powermate model 544000 generator undervoltage
There are basically 2 possibilities that can cause this.
1) Enigne RPMs are too low. but, since you already played with the throttle, this probably isn't the case. RPMs should be about 3600 though.
2) The voltage regulator / capacitor has high ESR (resistance) or is bad altogether. Replace.
If there is no power to the receptacles:
1. Turn the circuit breaker switches off and disconnect all electrical loads from the generator.
2. Turn the circuit breakers on and test the GFCI's by following the procedures in this manual
on page 1 -
TO TEST A GFCI:
Start the generator. Turn the auto idle switch off. Push in the TEST button (A) on the receptacle.
The RESET button (B) will pop out. Power is now off at the receptacle.
If the RESET button does not pop out, the GFCI is not working. Do not run
generator until the problem can be corrected. To restore power to receptacle,
push the RESET button in. If the RESET button pops out during operation,
stop the generator and check the generator and equipment for defects.
3. Place the voltage selector to the 120 Volt only positions (unless you are using a tool that
requires 240 Volts).
4. Turn the idle control switch off.
5. Turn the circuit breaker(s) off and reconnect the electrical loads. Be sure that the plugs are
securely connected to the receptacles.
6. Turn the circuit breaker(s) on.
7. If there is still no power at the receptacles, take the generator to an authorized DEWALT
service center. To locate a DEWALT service center nearest to you, call 1-800-4-DEWALT
Joe
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