PWF40 FC7 Ignition failure after 3 ignition attempts - Poor unreliable cross ignition - Power Wall Furnace PWF 40


 ⚠️Safety Notice – Wall Furnace Products 

 

This appliance must only be installed, commissioned, serviced and repaired by suitably qualified and licensed personnel.

Before commencing work, complete a risk assessment and ensure gas and electrical safety, combustion air requirements, flue integrity, safe clearances and appropriate PPE have been considered. All work must comply with applicable regulations, standards and manufacturer requirements.

Particular care must be taken when working around gas systems, electrical components, combustion products, hot surfaces, flue systems and roof or ceiling spaces associated with the flue installation.

Do not proceed if safe access, flueing requirements, required clearances or appropriate safety controls cannot be maintained.

Safety takes priority over diagnosis, repairs and installation schedules. If the task cannot be completed safely, it must not proceed.


Pdf att - PWF service manual 653095-A


FC7 - Ignition failure after 3 ignition attempts 



Additional FC7 checks: Unreliable Cross Ignition

  • Ensure Burner Venturi, Burner Face and Cross Light Channels are Clear and Clean:


If you are still experiencing unreliable cross ignition, please follow these steps to adjust the slots on the burners:

  • Check Burner Alignment:

    • Due to size constraints, burners are positioned at an angle to each other.
    • Ensure that the burner faces are as level as possible.
    • Verify that the burners cross light reliably.

  • Adjust Burner Tags:

    • If the burner faces are level and aligned and Cross lighting issues persist, try adjusting the tags at the top.
    • Use a flathead screwdriver to gently spread the tip of the tags by 0.5mm.


IMPORTANT:

  • Ensure all adjustments are made carefully to avoid damage.