Most of the time I put in a new 15A fuse and try to set the cycle, only to have the fuse break immediately. Usually with the second install of the 15A fuse, it will run through the cycle. I have owned this home for 2 years and have easily run through approximately 20 fuses. I have had this generator serviced by professionals (electric service companies) on a regular basis, but no one can figure out what is causing this. One theory from the electric company: Too much natural gas combustion. So I had a gas regulator installed. No difference. Any advice guys for this clueless lady?
Do you have any UPS ?Unplug ups and test again.
This could be a reason to blowup your fuse.
Causes of fuse blow failure of genset failure:
(1) The stator winding has an open circuit (one phase disconnection) or the power supply loses phase;
(2) The winding end of the winding lead wire is connected incorrectly or the winding is internally reversed;
(3) The power supply circuit of the diesel generator set is loose, and the contact resistance is large;
(4) The diesel generator set is overloaded or the rotor is stuck;
(5) The power supply voltage is too low;
(6) The assembly of small diesel generator sets is too tight or the grease in the bearing is too hard;
(7) The diesel generator set bearing is stuck.
Does the fuse holder or wiring diagram have the fuse size listed on it ? It could be an incorrect fuse size from the factory or installed by someone who was just lucky the day they installed it and it ran with what is essentially a fuse with too low a rating.
Are you using the correct voltage rating ie 120volts not 12volts or whatever.
IF IF the second fuse works that kinda tells me there is no fatal short in the system, otherwise it would blow that fuse also.
I would try a 20amp or a 17.5amp if it's made in the configuration you need. Preferably the 17.5.
If you replace the 15A with the 20A and it blows then you have a problem.
SOURCE: The generator starts up runs for about 15 seconds and shuts down.
Check the oil pressure switch
If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c
SOURCE: Generac 43903 standby Generator overspeed indicator on starting
I have a generator that did the same thing. It would start and then stop within a few seconds. The more expensive generators have an oil level safety switch to prevent the engine from burning up. There is usually a wire connecting to the switch on the outside of the engine near the oil fill hole. Remove this wire and try to start the generator. If it runs without a problem then it is the switch. You need to remove the switch and take it apart carefully and clean it. There is a small float inside the assembly. When the oil runs low the float allows the switch to short to ground which kills the spark to the spark plug. Hope that helps.
Bob Janelli
I’m happy to help further over the phone at https://www.6ya.com/expert/bob_62dfa2f81bb55288
Testimonial: "This is good information in the event that the low oil switch is part of the problem."
SOURCE: Fuse keeps blowing!
check the dome (house) lights curcuit, you may hav a short to ground caused by burnt or corroded contact or brokrn wires
SOURCE: Recently a Generac 17kw natural gas generator was
There will be a normal odor as the engine cranks until enough gas is in the intake for starting. Gas generators do not have an ignition 'on-off' switch, they use a fuel solenoid to turn on and off the gas to start and kill the engine. If you are uneasy, your local gas company should be able to check engine compartment for leaks. Here in my home town, the gas company will inspect any equipment for gas leaks and/or carbon monoxide levels free of charge.
I’m happy to assist further over the phone at https://www.6ya.com/expert/rolandw_c013176d62ee17ae
Testimonial: "Tks for the feedback on this problem, it is very informative. The faint gas odor persists when idle. Would this suggest a defective solenoid."
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