What does this symptom mean?
A gas odour appears before, during or after operation. This is a safety warning that must never be tested with a flame. The symptom alone does not identify a failed part because several causes can produce the same behaviour. Proper diagnosis considers when the fault occurs, appliance model and whether it is constant or intermittent.
Likely causes
1. A control or valve not closing fully
A control or valve not closing fully. Similar symptoms can have different causes, so parts should not be replaced by guesswork.
2. A hose, connector or joint requiring leak testing
A hose, connector or joint requiring leak testing. Similar symptoms can have different causes, so parts should not be replaced by guesswork.
3. Gas flowing while a burner fails to ignite
Gas flowing while a burner fails to ignite. Similar symptoms can have different causes, so parts should not be replaced by guesswork.
4. Flame extinguished by airflow or a safety-system fault
Flame extinguished by airflow or a safety-system fault. Similar symptoms can have different causes, so parts should not be replaced by guesswork.
Safe checks before booking service
- Close the main gas supply immediately.
- Open doors and windows for natural ventilation.
- Do not operate electrical switches or use a phone near the odour source.
- Move to a safe place and call service from outside.
How a technician diagnoses the fault
The inspection begins by confirming the reported behaviour and safely testing the affected function. The technician then compares operation with model specifications and measures related components where required. The purpose is to find the root cause rather than replace the first part associated with the symptom.
| Inspection stage | What is checked? |
|---|---|
| Confirm the symptom | Reproduce the fault and identify timing and affected function. |
| External inspection | Assembly, cleanliness, moving parts, ventilation and visible connections. |
| Technical measurements | Test model-specific components related to the fault. |
| Post-repair test | Operate the appliance and confirm safety and stable performance. |
Parts that may be related
Valve and controlHose and connectorsThermocouple and safety systemBurner head
This is a list of possibilities, not a final diagnosis. Any part must match the model number and inspection result because a similar appearance does not guarantee identical dimensions, connections or ratings.
How to reduce repeat faults
- Clean burners only after cooling and dry them before reassembly.
- Do not force controls or attempt to dismantle them.
- Watch flame colour and stop use if gas odour or abnormal flame appears.
When to call Glem Gas maintenance
Call when the fault repeats after safe checks, when there is gas odour, abnormal heat or noise, or when access requires dismantling the appliance. Have the model number, symptom and governorate ready.