Diagnostics and Troubleshooting

Generator not starting or showing fault codes? Gentec Co diagnoses and fixes faults on site across Gauteng

Generator Repairs

Generator Won't Start? On-Site Diagnostics Across Gauteng

A generator that won't start usually has a flat battery, fuel problem, blocked filter, failed starter motor or control panel fault. Gentec Co technicians scan fault codes and trace the cause on site, then fix it or quote the repair.

Problems We Diagnose

Generator won't start, or cranks but won't fire
Fault codes and control panel errors
Voltage or frequency fluctuations
Generator starts then shuts down
Generator runs but supplies no power

Common Reasons a Generator Won't Start

Flat or failing battery
Old or contaminated fuel
Blocked fuel or air filters
Starter motor failure
Control panel or sensor faults

How We Find the Fault

We ask about the symptoms and any error codes.
We scan fault codes and inspect the unit on site.
We trace the cause through fuel, electrical and control systems.
We explain the fault and your options before any work begins.

Why Choose Us

Why Gauteng Businesses and Homeowners Choose Gentec Co

We come to you.

No transport, no downtime.

Full-service coverage.

One company for maintenance, diagnostics, repairs, testing and fuel care.

Test-based work

We use load bank and megger testing to prove a generator is healthy, not guess.

Wide service area

Pretoria, Johannesburg, Midrand, East Rand and Westrand.

Generator Brands We Service

From home backup units to industrial standby sets, our technicians repair and maintain the brands South Africans rely on.

Get a Generator Service Quote!

Tell us your generator make, size and the problem. We'll reply on WhatsApp with next steps.

Mobile generator servicing, repairs and testing across Pretoria, Johannesburg, Midrand, the East Rand and the Westrand.

Services

Get in touch

Call us directly?

083 233 9894

Email Support

info@gentecco.co.za