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Fault diagnosis

Stove Won't Ignite — Complete Causes and Solutions

A stove that won't ignite is one of the most common faults we handle daily. The cause is usually simple and fixed in 15-30 minutes, but you need to identify the real cause before attempting a DIY fix.

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Stove Won't Ignite — Complete Causes and Solutions
Typical arrival within one hour Written warranty up to one year
Free inspection
Typical arrival within one hour
Written warranty up to one year
24/7 customer service — 16062

Symptoms

If you notice one or more of these symptoms, this page is for you:

  • The stove won't light when you turn the knob
  • Auto-ignition sparks but the burner does not light
  • Gas smell before the burner lights (knob turned, no flame)
  • Only one burner fails to light, the rest work
  • The whole stove suddenly stops igniting

The most common causes

1

Blocked burner ports (most common)

Grease and food buildup block the gas ports in the burner. The fix: a deep clean. This accounts for around 60% of cases.

2

Faulty auto-ignition

The ignition sensor or its electrical circuit has failed.

3

Faulty safety sensor (thermocouple)

The sensor shuts off gas automatically if it detects no flame. If faulty, it shuts off gas even while the burner is lit.

4

Low gas pressure

A weak regulator, a nearly-empty cylinder, or low natural-gas pressure.

5

Blocked or kinked gas hose

The hose between the cylinder and the stove is kinked or blocked.

6

Faulty burner knob

The knob turns without actually opening the gas.

Solutions

Safe DIY solutions you can try

Clean the burner

  1. 1 Turn off the stove and disconnect the cylinder
  2. 2 Remove the burner (cap + head)
  3. 3 Soak it in warm soapy water
  4. 4 Clear the gas ports with a thin needle
  5. 5 Dry completely and reassemble

Check the cylinder and regulator

  1. 1 Shake the cylinder — if light, it is nearly empty
  2. 2 Inspect the regulator for visible rust or damage

Check the hose

  1. 1 Look for kinks or bends
  2. 2 If the hose is over 3 years old, replace it

Professional-only fixes (do not attempt yourself)

  • Repair or replace the safety sensor (thermocouple)
  • Repair the auto-ignition circuit
  • Replace the knobs
  • Address gas leaks
  • Any work inside the stove

When to call a technician

  • If there is a strong gas smell
  • If cleaning did not help
  • If the auto-ignition is faulty
  • If a specific burner alone fails to light
  • If the burner goes out after lighting

We repair stoves of every brand: Universal, Fresh, LG, Tecnogas, Royal Gas, Ecomatic, Ariston, Bosch, Smeg.

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Quick diagnosis for Stove won't ignite

Use this table to identify the closest cause before calling. If gas smell is involved, treat it as an emergency.

Symptom
Likely cause
Best action
The stove won't light when you turn the knob
Blocked burner ports (most common)
Repair or replace the safety sensor (thermocouple)
Auto-ignition sparks but the burner does not light
Faulty auto-ignition
Repair the auto-ignition circuit
Gas smell before the burner lights (knob turned, no flame)
Faulty safety sensor (thermocouple)
Replace the knobs
Only one burner fails to light, the rest work
Low gas pressure
Address gas leaks
Only one burner fails to light, the rest work
Blocked or kinked gas hose
Any work inside the stove

Frequently asked about Stove won't ignite

Can I fix it myself?
Cleaning yes. Anything inside the stove or related to gas needs a specialist technician.
How much does it cost?
Inspection is free. Repair varies by cause — cleaning is cheap, thermocouple replacement is moderate.
When will the technician arrive?
Within an hour in Cairo and Giza, and 24-48 hours in other governorates.
Is there a warranty?
Yes — a written 3-month to 1-year warranty depending on the fault and parts.

Have the same problem? Call now

A specialist technician reaches you within an hour with free inspection and warranty up to a year.

  • Free inspection
  • Technician within 1 hour
  • Warranty up to 1 year
  • 24/7 service

BuiltInFix is an independent repair centre and is not affiliated with appliance manufacturers or their authorised agents unless a documented authorisation is clearly stated.

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