The short answer
Sub-Zero Appliance Experts repairs gas, induction, and electric cooktops in South Pasadena (91030), including Viking, Wolf, and Thermador models. We find the specific fault, such as ignition, controls, elements, or sensors, before replacing anything.
When a burner won't light, an induction zone throws an error, or a glass surface stops heating evenly, cooking at home gets complicated fast. Sub-Zero Appliance Experts repairs gas, induction, and electric cooktops in South Pasadena homes, working on Viking, Wolf, and Thermador units as well as the premium kitchens where a Sub-Zero refrigerator sits next to the range. We're an independent repair company based in North Hollywood, about 13 miles west of South Pasadena. We diagnose the actual fault before recommending any part, so you know what's wrong and why.
Cooktop problems we see in South Pasadena kitchens
Most cooktop calls fall into a handful of patterns. Some are simple, like a burner cap sitting slightly off after cleaning. Others point to a failing component that needs testing. Knowing which symptoms you're seeing helps us arrive with the right questions and, often, the right parts.
- Gas burner clicks but won't light, or keeps clicking after it lights
- Weak, uneven, or yellow-tipped flame instead of a steady blue one
- Burner lights only with a match
- Induction zone doesn't detect the pan or shows an error code
- Electric radiant element stays cold, runs only on high, or won't shut off
- Touch controls are unresponsive, beep randomly, or lock up
- Cracked or chipped glass-ceramic surface
- Simmer setting that won't hold a low, steady heat

How diagnosis differs for gas, induction, and electric
On a gas cooktop, ignition problems usually come down to the spark igniter, the spark module, a switch on the control valve, or moisture and food residue around the burner. We check the spark, the gas flow at each burner, and the seating of caps and grates. A flame problem can also mean clogged burner ports or a valve that needs attention.
Induction cooktops rely on electronics: power boards, induction coils, cooling fans, and pan sensors. An error code is a useful starting point, but it doesn't always name the failed part, so we test the components themselves rather than guess from the display.
On electric radiant cooktops, we look at the heating element, the infinite switch or electronic control that regulates it, and the wiring between them. A cracked glass top is usually replaced as a full surface assembly, and we'll tell you plainly when that's the case.
Brands we work on
Our work leads with Sub-Zero, and many of the kitchens we visit pair Sub-Zero refrigeration with a high-end cooktop. On the cooking side, we regularly service Viking, Wolf, and Thermador cooktops. That covers sealed gas burners, dual-stacked burner designs, induction surfaces, and electric models.
These cooktops are built differently from standard models, with heavier grates, more precise simmer systems, and brand-specific control boards. We bring that familiarity to every visit. We are independent and not affiliated with any of these manufacturers.
Tell us what your appliance is doing.
Before you schedule: quick checks and safety
A few checks can save you time. Make sure burner caps are centered and dry, especially after wiping down the cooktop. Confirm the circuit breaker hasn't tripped on an electric or induction unit. On induction, try a different pan, since cookware that isn't magnetic won't register.
If you smell gas, don't try to troubleshoot. Turn off the burners if it's safe to do so, leave the house, and contact your gas utility or emergency services from outside. Once the utility has checked for a leak, we can look at the cooktop itself.
Serving South Pasadena and nearby cities
We come to homes throughout South Pasadena's 91030 ZIP code from our base in North Hollywood. When you contact us, tell us the brand, the model number if you can find it (often on a label under the cooktop or on the burner box), and what the cooktop is doing. That helps us plan the visit.
We also serve nearby Pasadena, Glendale, La Cañada Flintridge, Burbank, and West Hollywood, so neighbors in the area can reach us for the same cooktop work.
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