How to fix Ideal Vogue Max fault code E125

What does the Ideal Vogue Max E125 fault code mean?

The E125 fault code on the Ideal Vogue Max indicates an overheating issue within the boiler system. This can lead to the boiler shutting down to prevent damage, requiring immediate attention to restore normal operation.

Common Causes

  • Blocked Heat Exchanger: A buildup of debris or limescale can restrict water flow, causing the boiler to overheat.
  • Faulty Thermostat: If the thermostat is malfunctioning, it may not accurately read the temperature, leading to overheating conditions.

Can I fix it myself? (DIY)

It is recommended to call a Gas Safe Engineer for this issue, as it involves gas and electrical components that can be dangerous if handled improperly. Attempting to fix it yourself may void the warranty or cause further damage.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for resolving an E125 fault could range from £150 to £300, depending on whether the heat exchanger needs cleaning or replacement, or if the thermostat requires servicing or replacement.