Vokera Aquanova Fault codes & diagnostics

1 fault code with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.

Water Heater Natural GasLPG 29.2 kW 2008-2015 Discontinued

Replaced by: Aquanova LE

Download the Vokera Aquanova manual The official installation & service manual (PDF) — the exact document these fault codes were verified against. PDF

The fault code is already on your display

Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →

Fault codes

All 1 documented codes

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Green LED: Off | Red LED: On

Your boiler has failed to light the gas flame and has shut down as a safety precaution.

High DIY-safe £90-£250

What to check first

  1. Check that your gas supply is turned on and other gas appliances are working
  2. Rotate the control knob to the 'OFF/RESET' position and then back to the 'ON' position
  3. Wait for the boiler to attempt to restart; if the red light remains, a professional is required

Parts commonly replaced

  • Ignition Electrode
  • Flame Sensing Probe
  • Gas Valve
  • Printed Circuit Board (PCB)
Full explanation for Green LED: Off | Red LED: On
Status & diagnostic codes

1 operating states & engineer diagnostics

Not faults — these are normal operating states. Tap to expand.

Green LED: On | Red LED: Off Status Your boiler is working normally and is simply indicating that a hot water tap is currently turned on somewhere in your home.