Indesit Gas Hob: Continuous Sparks and Diagnosis
Validated by Luca Chia, Certified Electronic Technician
Revision of 26/06/2026
⚠️ SAFETY WARNING / SERIOUS RISK. This appliance is connected to the 230V electrical grid and the gas line. Before performing any inspection or intervention, unplug the power cord (or deactivate the main circuit breaker) and close the gas tap. Repair of internal components must be carried out exclusively by qualified technicians to ensure compliance with safety standards. ReeFix provides this information for informational purposes only.
Flash Diagnosis: Continuous Sparks on Indesit Hob
The incessant ticking and continuous sparks on your Indesit hob burners, especially after a deep cleaning or liquid overflow during cooking, almost always indicate water infiltration into the microswitches located under the knobs (80-90% probability). Moisture creates a conductive bridge that simulates constant knob pressure, repeatedly activating the spark generator.
What to do immediately:
- Immediately unplug the hob from the electrical outlet to prevent overheating and damage to the Indesit Spark Generator.
- Thoroughly dry the area around the knobs and the individual burners. You can use a hairdryer set to warm air (not hot, to avoid deforming plastics) to accelerate the evaporation of water that has penetrated inside.
- Wait 24-48 hours, keeping the appliance disconnected from the power, to allow for complete spontaneous drying.
Operational decision:
- If after 24-48 hours you plug it back in and the problem is gone: the moisture has dried, and the hob is working correctly again. Successful resolution at no cost.
- If the sparks persist, water may have caused a permanent short circuit or left conductive mineral residues. In this scenario, it is necessary to contact a qualified technician. Cleaning the contacts with a dry reactivating spray or replacing the Indesit Microswitch Ramp or the spark generator may be necessary. Spare parts have a low cost (around 15-40€), but considering the technician's labor (estimated total cost between 80€ and 120€), carefully evaluate the opportunity of the intervention based on the age of the device. Replacing a single Indesit Ignition Candle is a much less likely hypothesis for this specific symptom.
Why does my Indesit Gas Hob have continuous sparks?
Continuous sparks on your Indesit Gas Hob are almost always caused by water infiltration into the microswitches under the knobs, often after cleaning or spills.
What causes constant clicking on a gas hob?
Constant clicking on a gas hob typically indicates moisture creating a conductive bridge in the ignition system, simulating constant knob pressure and activating the spark generator.
What should I do if my hob sparks continuously?
Immediately unplug the hob and thoroughly dry the area around the knobs and burners. Wait 24-48 hours disconnected to allow complete drying before reconnecting.