Generator Repair

Repair Services

Gager & Sons Power Systems provides generator troubleshooting and repair for residential, commercial and RV generator systems. If your generator won’t start, won’t transfer, or is throwing alarms, we’ll diagnose the issue and get your system back to reliable operation.

Need help now? Visit Emergency Generator Service for 24/7 call details, or Contact Us to schedule a repair visit. Serving the region from Medusa, NY. View our Service Area.

Common generator problems we repair

Generator won’t start
Generator starts but won’t transfer power
Exercise cycle failure
Alarm codes and controller warnings
Battery / charger issues
Fuel supply issues
Low voltage / unstable output
Leaks, overheating, or abnormal noises

Our repair process

Quick intake: We confirm symptoms, recent run history, and any alarms.
On-site diagnostics: We verify the fault and isolate the cause.
Repair plan: We explain what failed and what it takes to fix it.
Repair and verification: Repair work completed and the system is tested for proper operation.

Residential generator repair

Home standby systems are expected to work instantly during an outage. We troubleshoot no-start conditions, nuisance alarms, and transfer issues so your system is ready when you need it.

Commercial generator repair

For businesses, downtime risk is real. We prioritize accurate diagnostics and clear repair recommendations to get systems back online and keep critical loads protected.

Transfer switch issues

Many “generator problems” are actually transfer switch problems. If the generator runs but power isn’t transferring correctly, we’ll inspect the transfer function and related components to identify the failure point.

Preventing repeat failures

Once repairs are complete, routine service helps prevent repeat issues. If you want scheduled maintenance after a repair, see Generator Service.

FAQs

Do you repair generators you didn’t install?

Yes. We service and repair standby systems regardless of who installed them.

My generator runs but the house has no power. What does that mean?

This is often a transfer issue, but it can also be related to output, controls, or wiring. We’ll diagnose the system to confirm the cause.

Can you help during an outage?

Yes. For urgent situations, visit Emergency Generator Service for 24/7 call details.

Schedule a repair visit

If your generator isn’t starting, transferring, or running correctly, contact us and we’ll get you scheduled.

Need a new standby generator?

If your current system is at end-of-life or you’re planning a new setup, start with Generator Installation.