Gram
Flame Failure Device / Thermocouple Not Holding
Gas burner goes out when knob is released, especially on models with flame failure safety (thermocouple).
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Dirty or misaligned thermocouple tip, Weak thermocouple, Faulty safety valve magnet, Poor grounding of burner assembly
How to Fix / Troubleshooting
Safety first: Turn off gas and allow the burner to cool.
- Clean thermocouple: Locate the small metal rod near the burner flame (thermocouple). Clean the tip with fine emery cloth to remove oxidation.
- Check flame contact: Light the burner and observe whether the flame fully envelops the thermocouple tip. If not, adjust the burner cap position or clean ports to direct flame correctly.
- Hold knob longer: On some models, you must hold the knob in the ignition position for 5–10 seconds to allow the thermocouple to heat sufficiently.
- Replace thermocouple: If the flame still goes out when releasing the knob, replace the thermocouple for that burner with the correct Gram part.
- Safety valve check: If a new thermocouple does not solve the issue, the associated gas safety valve may be defective and should be replaced by a gas technician.
Warning: Flame failure devices are critical safety components. Do not bypass or disable them.
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Repair Difficulty
Medium
3/5
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