The short answer
A roar, a whistle, a pop at shut-off or continual clicking each have a cause worth knowing, and none of them is the appliance failing. That puts a burner cap out of position at the top of the list here and air-shutter or gas-type mismatch at the bottom.
Symptoms, including the ones that mean something else
- Continual clicking while a burner is lit — The ignition circuit is still sparking — a wet electrode or a switch not releasing.
- A roaring flame louder than usual — Too much air for the gas, often after a burner has been reassembled.
- A pop when the burner is turned off — Flame rollback; usually a cap slightly out of position.
- NEAR MISS — a hiss with no flame anywhere — Turn everything off and treat it as a gas escape until proved otherwise.
The ranking
- A burner cap out of position — The commonest cause of popping, uneven flame and roaring. It is free to correct and it takes seconds to check. Burner hardware is checked first because it is designed to come apart and it is where most of these complaints live.
- A wet or dirty igniter electrode — The machine keeps clicking because it never detects a successful light. It usually follows a spill or a clean. It ranks here because it explains the symptom fully but needs a little more looking than the ones above it.
- A knob switch not releasing the spark — The click continues after the burner lights, which is the same symptom from a different part. The part itself is considered only once the conditions around it are proved, because it is the expensive answer.
- Air-shutter or gas-type mismatch — Roaring or whistling flames usually mean the air-to-gas mixture is wrong for the gas being burned.
Check in this order, and why
- Turn off every burner and listen — Any hiss with all burners off is treated as a gas escape, not as a noise complaint.
- Dry the burner area completely after cleaning — A wet electrode clicks continuously and it is a common call after a spill.
- Check the grates sit flat in their recesses — A rattling grate is the easiest finding on the list.
What an owner can safely do
- Clean and dry the burner caps, heads and electrodes — Let everything dry fully before refitting; damp parts are the usual cause of clicking.
Tools: soft brush, cloth
- Refit each cap squarely and compare the flames — A correct burner has an even blue ring; anything else is a clue.
- Reseat the grates and trivets — They should sit flat with no rock.
- STOP before adjusting an air shutter or anything on the gas train — Mixture adjustment is licensed work and it affects combustion safety.
Power, panels and what not to do
Safety
If you smell gas: do not switch anything on or off, leave the building, and call the gas utility or 911 from outside. Never adjust an air shutter, an orifice or any gas fitting yourself, and switch the appliance off at its isolator before cleaning burner parts. A capacitor can hold a charge after the power is off.
The line between a fix and a service call
Cleaning, drying and refitting burner parts is the owner side. Air shutters, orifices, igniter modules and switches are licensed or technician work.
Related pages of the same kind
What this page does not cover
This page is generalized across Café gas range families and model lines. Wiring colours, torque figures and board part numbers are deliberately not here — they differ by family. A family- or model-specific page, where one exists, is linked below and is the more specific answer.
Links: - [Common Café Gas Stove Problems](/blog/caf-gas-stove-problems) - [Café Gas Stove: Not Heating](/blog/caf-gas-stove-heating-failure)
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
