Intergas HRE / Rapid / ECO RF fault 3
Ventilation
Gas boilerWhat it means
When the appliance is started the fan is first brought to starting speed; once reached, the burner is lit. Code 3 is also visible during post-ventilation after the burner has stopped.
Likely causes
- 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
- Remove the cover cap (A) on the gas valve to access setting screw B.
- Activate the test program for minimum output by simultaneously pressing the two buttons (flame/minus icons); a capital L appears in the service display.
- Wait until the analyser reading is stable (minimum 3 minutes).
The full answer, free
- 27 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 12), 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.