Intergas HRE / Rapid / ECO RF fault 6
Flame detection fault
Gas boilerWhat it means
The boiler controller has detected a fault in the flame detection circuit/ignition cable.
Likely causes
- Faulty ignition cable or spark plug cap
- Faulty ignition unit
- Faulty boiler controller (PCB)
- Gas tap closed
- Air in gas pipe
- Gas supply pressure too low
- No ignition / worn ignition electrode
- No spark / faulty ignition unit on gas valve
- Gas/air adjustment not correctly set
- Fan faulty
- Fan dirty
- Gas valve faulty
Where to start
- Check flow sensor detection threshold: demand must exceed 2 l/min for CH interruption to occur
- Inspect ignition cable and spark plug cap
- Inspect ignition unit
The full answer, free
- 8 more checks in order
- The readings and component tests from the manual
- How to put it right, step by step
- The manual page for this fault (page 49), right under the answer
Safety: Isolate gas and power before you open the case. If you have been into the gas side, do a tightness test, and a combustion and flue check before you hand back. Gas Safe (UK) or RGI (Ireland) work only.
From the Intergas manual for the HRE / Rapid / ECO RF. Check the model on the data plate before you order parts.