Generator service and repair
Diagnostics, alarm codes, repairs, parts and warranty work for Generac and Kohler standby generators, from a certified dealer that also installs them.
Generator service and repair: an overview
A standby generator spends most of its life waiting. When it’s finally called on, usually in the middle of a storm, every part of the system has to work: the battery, the controller, the engine, the fuel supply and the transfer switch. Service and repair is about finding the weak link before that moment, or fixing it fast when it shows up.
Kelm Home Services is a certified Generac and Kohler dealer, and Clint Kelm has installed and serviced standby generators since 2005. Service calls start with diagnostics, not guesses: we read the controller’s alarm history, check the battery and charger, look at the fuel supply, inspect the engine and test the transfer switch. Then we tell you what we found and what it takes to fix.
Because Kelm holds both electrical and plumbing licenses, a problem that turns out to be in the wiring, the transfer switch or the gas line doesn’t get bounced to another company. If your unit is under manufacturer warranty, we can help with warranty service as a certified dealer, subject to the manufacturer’s terms.
If you have a brand other than Generac or Kohler, call and tell us what you have. We’ll be straight with you about whether it’s something we can help with.
What’s included
What this work typically covers. Your scope depends on your home and equipment.
Diagnostics
Controller alarm history, battery and charger tests, engine checks and fuel-supply checks.
Alarm and error codes
We read and interpret the codes your controller or monitoring app is showing, then trace the cause.
Repairs and parts
Starting, charging, fuel, ignition, sensor and controller issues repaired with the right parts for your unit.
Warranty work
As a certified Generac and Kohler dealer, we can help with warranty claims and repairs under the manufacturer’s terms.
Storm and outage service
When storms are coming or the power is already out, call us. Monitoring plan customers don’t even have to call: Kelm is notified of faults and sends a technician.
Transfer switch service
Switches that won’t transfer, won’t return to utility or show faults are diagnosed and repaired.
Call for service if your generator…
- Shows a red alarm or a warning on the controller or app
- Didn’t run its scheduled exercise
- Won’t start, or starts and shuts down
- Runs but the house stays on utility power, or stays dark
- Has a weak or old battery, oil leaks or unusual noises
- Was exposed to flooding, storm debris or high water
Why homeowners call Kelm for generator service & repair
Certified Generac and Kohler dealer
We install and service both brands, so recommendations are based on your home, not on a single product line.
Electrical and fuel under one roof
Clint Kelm holds Texas Master Electrician and Master Plumber licenses and an RRC LP-Gas exemption, so the wiring, transfer switch and gas line are all handled by Kelm.
Standby generators since 2005
Clint has installed and serviced residential and commercial standby generators for two decades on the Gulf Coast.
Local and family-run
Kelm Home Services has been a family business for more than 50 years, based in League City and Santa Fe.
How it works
From your first call to a finished, tested job.
Call us
Tell us the brand, the model if you know it, and what the unit or app is showing.
Remote clues
On Kelm’s monitoring plan, we’re notified of the fault and arrive prepared.
On-site diagnostics
We check the controller, battery, engine, fuel and transfer switch.
Clear explanation
You hear what failed, why, and the repair options before we proceed.
Repair and test
We repair, then run the unit and simulate an outage to confirm the whole system works.
Generator Service & Repair FAQ
Common questions about this service.
My generator shows a code. Is it safe to run?
It depends on the code. Some are maintenance reminders; others shut the unit down to protect it. Call us with the code and we’ll tell you what it means and whether to leave it off.
Do you only fix units you installed?
No. We service Generac and Kohler standby generators whether or not Kelm installed them.
Is my repair covered by warranty?
That depends on the unit’s age, registration and the manufacturer’s warranty terms. As a certified dealer we can check coverage and help with the claim.
Can you come during a storm?
Yes. We send technicians during storms and outages as soon as it’s safe to travel; during a hurricane, road and weather conditions set the timing. The best protection is a tune-up before the season starts.
Why did my generator fail after sitting all year?
Common reasons are weak batteries, missed maintenance, fuel-supply issues and pests or debris in the enclosure. Regular maintenance and monitoring catch most of these early.
Get an estimate for generator service & repair
Tell us about your home and the work you need. We’ll follow up by your preferred method.
Related services
Maintenance Plans
Choose Gold (two visits a year) or Silver (one visit a year) for your air-cooled or liquid-cooled standby generator. Every visit follows the same written checklist.
Learn moreRemote Monitoring
With Kelm’s Mobile Link monitoring plan, if your generator has a fault, we’re notified and send a technician out to correct it, with no service call fee.
Learn moreGenerator Inspections
A thorough, documented look at a standby generator system, whether you’re buying a home, recovering from a storm or just not sure when it was last checked.
Learn moreTransfer Switches
The transfer switch is what makes a standby generator automatic. We install, replace and service them under a Texas electrical contractor license.
Learn more