Whirlpool Range/Oven Repair (Model RF114PXSB3) – Louisville, OH

A Louisville homeowner called about two burners on their Whirlpool range that would only heat on high — no low or medium control at all. We found both the front-left and right-rear infinite switches had welded contacts, essentially locking them in the “high” position.

The Problem

The front-left and right-rear burners on this RF114PXSB3 would fire up to maximum heat immediately when turned on, regardless of the dial setting. Low and medium positions did nothing, then suddenly full heat. This makes simmering impossible and wastes energy on tasks that need gentle heat.

Diagnosis

We verified the elements and wiring were good, then tested the infinite switches. Both failed switches showed welded contacts — the internal mechanism that cycles power on and off to regulate temperature had fused together. Once welded, these switches can’t modulate power anymore, so the burners get continuous electricity and run at maximum output.

The Repair

• Parts replaced: WP3149400 — infinite switch (qty: 2)
• Work performed: Removed old switches, installed new OEM units, reconnected wiring
• Result: Both burners now cycle properly through all heat settings with smooth temperature control

Is It Worth Repairing?

The RF114PXSB3 is a solid mid-range Whirlpool model that typically runs 15-20 years with proper care. Infinite switch failures are common wear items on any electric range, and replacing them is far more cost-effective than buying new. Unless you’re seeing multiple major component failures or the unit is pushing 20+ years, this repair makes good financial sense.

Maintenance Tips for Whirlpool Electric Ranges

• Test each burner setting monthly — catch switch problems before they weld completely shut
• Keep drip pans clean and replace when warped — damaged pans can cause uneven heating that stresses switches
• Wipe spills immediately, especially sugary or acidic foods that can corrode switch connections over time

Appliance Repair in Louisville, OH

Louisville is in Stark County — an area we cover regularly from our base in Louisville, OH. We also serve Canton, Alliance, and North Canton. Louisville Appliance Repair is owned and operated by Samuel Willhite, a master-certified technician with Bosch and Speed Queen factory authorizations. If your appliance needs service, schedule online or call (330) 693-9163. You can also find us on Google and read verified reviews from customers across Stark County and surrounding areas.