Veteran Owned
Generator repair technician inspecting a standby generator in San Antonio TX
Standby Generator Diagnostics · TECL ##TECL31793 · RMP ##RMP46592

Generator Repair in San Antonio, TX

If your standby generator will not start, shows warning codes, fails to transfer power, or struggles during a load test, it needs attention before the next outage. C.S.W. Power Solutions provides generator repair in San Antonio for homeowners and businesses that depend on backup power when utility service is interrupted.

Electrical Lic.#TECL31793
Plumbing Lic.#RMP46592
HVAC Lic.#TACLA26479R

Offer

Free load calculation with your generator quote

We'll size the unit against your real electrical load — not a guess.

Claim Offer

Why the GC umbrella matters

Generator Repair is handled in-house by our general contractor crew

C.S.W. Power Solutions is a veteran-owned general contractor first (VA Builder #09311). We hold the generator repair trade license ourselves (TECL#TECL31793 + RMP#RMP46592), so you get the accountability of a GC plus the depth of a licensed specialty crew — not a call-center dispatch to a sub.

  • No subcontractor runaround
  • Single point of accountability
  • One crew handles permits & inspections

Standby Generator Diagnostics and Repair

Generator repair is rarely just a box outside the house. Problems can come from the battery, control board, transfer switch, breaker, gas supply, load sizing, wiring, or maintenance history. CSW evaluates the complete standby power system so the repair addresses the real failure point.

  • Generator startup failure diagnostics
  • Automatic transfer switch troubleshooting
  • Battery testing and replacement
  • Fault-code and maintenance-alert review
  • Load testing and system exercise checks
  • Gas supply and regulator coordination
  • Electrical panel and breaker inspection
  • Maintenance recommendations after repair

Common Generator Problems We Check

Generator cranks but will not start

Generator starts but power does not transfer

Battery failure or low-voltage alert

Weekly exercise cycle fails

Generator shuts down under load

Transfer switch clicking or faulting

Maintenance light or error code

Fuel pressure or gas-line concern

Repair, Maintenance, or Replacement?

If the generator is undersized, poorly maintained, or connected to an aging electrical panel, repair may only solve part of the problem. CSW can compare the repair path against a new standby generator installation, an electrical panel upgrade, or gas-line corrections handled by our licensed plumbing team.

Generator Repair FAQs

Common warning signs include failure to start, alarms or fault codes, weak battery condition, transfer switch problems, rough operation, unusual smells, inconsistent power output, or maintenance alerts that keep returning.
C.S.W. can evaluate transfer behavior as part of the generator repair process. Transfer issues may involve the generator, switch equipment, wiring, controls, or the way the system is integrated with the electrical panel.
That depends on the generator age, repair cost, parts availability, maintenance history, and how reliable the unit has been during real outages. C.S.W. explains the condition of the system and gives a practical recommendation.
Yes. If repair is not the best long-term option, C.S.W. can plan a replacement generator installation with electrical coordination, transfer switch planning, and startup support.
Plumbing Lic. #RMP46592HVAC Lic. #TACLA26479RElectrical Lic. #TECL31793

Need Generator Repair?

Call 210-504-9796 to schedule standby generator diagnostics in San Antonio.

Licensed Electrical + Plumbing Team · Veteran-Owned · Free Repair Path Review