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I have a 15kw generac standby generator that Runs on lp has.
I have a 15kw generac standby generator that Runs on lp has. It will start and run 15-20 seconds and cut off.… read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
Hank can you tell me how to verify that my generac 15kw
hank can you tell me how to verify that my generac 15kw generator has a start stop relay problem it looks like this relay is bad … read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
Prior to Hurricane Irma my general 15kw gen would exercise
Prior to Hurricane Irma my general 15kw gen would exercise weekly of 12 minutes. To my dismay, after Irma it just runs for about 10 seconds and it shuts off! Can you diagnose? … read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
I have a 15kw watchdog (by generac) standby generator, it
I have a 15kw watchdog (by generac) standby generator, it start and runs for about 30 second produces only2 -4 volt then shuts down… read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
My generator has been exercising weekly but failed to stay
My generator has been exercising weekly but failed to stay on during the hurricane. It starts immediately but runs about 10 or 15 seconds and quits. … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,615 satisfied customers
My generac generator stops afer a few seconds (about 15
hi. My generac generator stops afer a few seconds (about 15 seconds) and flashs the "overspeed" LED light on the controls. … read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
I BOUGHT AND HAD INSTALLED A 16 K FIXED GENERAC GENERATOR ON
I BOUGHT AND HAD INSTALLED A 16 K FIXED GENERAC GENERATOR ON 5/30/16. IN SEPTEMPER MY ELECTRICITY WENT OUT AND IT CAME ON AS IT SHOULD. ABOOUT TWENTY MINUTES LATER IT ELECTRICITY CAME BACK ON AND IT S… read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
Morning I have a 17k generac generator. I am presently
morning I have a 17k generac generator. I am presently living in Miami so if you are not aware we are about to experience a class 4 hurricane. My question is when power goes off and the generator goes… read more
JON
JON
Master Service Tech
MASTER SERVICE TECHNICIAN
4,262 satisfied customers
I just installed a used Generac Guardian 04390-2 which is a
I just installed a used Generac Guardian 04390-2 which is a 13kw unit on Natural gas and 15kw on LP. I am using it on gas. The generator was certified by a generac dealer and I installed a 1" gas line… read more
Curtis B.
Curtis B.
Technician
Associate Degree
15,342 satisfied customers
We have a Generac 15kw propane backup for solar. It starts
We have a Generac 15kw propane backup for solar. It starts and runs fine for ten minutes or so, then has a power surge before stopping. What can be the problem?… read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
I have a generac 20k that was under water during hurricane
I have a generac 20k that was under water during hurricane Sandy. It worked for two weeks after the blackout and then started to turn off after starting.The motor spins and the electrical display is g… read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
Have a 15kw generac generator and overspeed speed light comes
Have a 15kw generac generator and overspeed speed light comes on and generator shuts down, what could be the problem?… read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
I have a 1.5 litre propane powered Generac generator - about
I have a 1.5 litre propane powered Generac generator - about 8 years old. It's dark and it's outside, so I don't have the model number on hand this minute. When I started it today, it seemed to run fi… read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
I have a Generac 15KW generator running on propane that I have
I have a Generac 15KW generator running on propane that I have had for a couple of years. During the installation it would try to start but not run. We bumped up the pressure at the propane regulator … read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
I have a Generac 4000 EXL generator. It has been sitting in
I have a Generac 4000 EXL generator. It has been sitting in the garage for a year. I got it started OK and it runs smoothly for about 8 seconds then shuts down. I used this little dude during hurrican… read more
Rick
Rick
Factory Authorized Trainer
Vocational, Technical or Trade Scho
4,218 satisfied customers
generator runs but output cycles on and off the gen overreevs
generator runs but output cycles on and off the gen overreevs and shuts down, it is a 15kw generac whole house system… read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
I have a(NNN) NNN-NNNN15K generator. Yesterday it turned on during
I have a(NNN) NNN-NNNN15K generator. Yesterday it turned on during the hurricane. After about 7 hours of running it turned off indicating that there was "low oil". While I checked the dip stick and it… read more
Christopher
Christopher
Senior Mechanic & Technician
Factory Training
2,435 satisfied customers
My 15kw Generac starts, runs for 2-3 seconds and shuts down
My 15kw Generac starts, runs for 2-3 seconds and shuts down and overspeed light comes on although the genny does not noticably speed up.This is a long standing problem. Replaced the board but same. Th… read more
Hank F.
Hank F.
Technician
16,128 satisfied customers
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Curtis B.

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Rick

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Jon K.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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