Ideal Mexico Super 40ff - 80ff Fault codes & diagnostics

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

Regular Natural Gas 11.7-23.4 kW 2001-2006 Discontinued
GC Numbers 41-349-7841-349-7941-349-8041-349-8141-349-8241-392-2641-392-2741-392-2841-392-2941-392-3041-392-5641-392-5741-392-5841-392-5941-392-60

Replaced by: Mexico HE

Download the Ideal Mexico Super 40ff - 80ff 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 →

Versions & GC numbers

Which version do you have?

The GC number on your boiler's data badge identifies the exact appliance and production years, as recorded in the UK Product Characteristics Database.

GC number Appliance (register name) Produced
41-392-26 Mexico Super 440 FF 2001–2006
41-392-27 Mexico Super 450 FF 2001–2006
41-392-28 Mexico Super 460 FF 2001–2006
41-392-29 Mexico Super 470 FF 2001–2006
41-392-30 Mexico Super 480 FF 2001–2006
Fault codes

All 2 documented codes

Tap any card for details

LED 2 ON

Your boiler is failing to light the gas flame and has shut itself down for safety.

High DIY-safe £120-350

What to check first

  1. Check that your gas supply is turned on and other gas appliances are working
  2. Press and hold the reset button for several seconds to restart the ignition sequence
  3. Check outside to ensure the white condensate pipe hasn't frozen in cold weather

Parts commonly replaced

  • Ignition Electrode
  • Gas Valve
  • Flame Sensing Probe
  • Printed Circuit Board (PCB)
Full explanation for LED 2 ON
LED2

Your boiler has stopped working for safety reasons and needs to be reset manually to try and restart the system.

High DIY-safe £100-350

What to check first

  1. Locate the reset button on the control panel
  2. Press the reset button once and release it
  3. Wait up to 5 minutes to see if the boiler fires up and the status lights remain steady

Parts commonly replaced

  • Ignition Electrode
  • Gas Valve
  • PCB (Control Board)

Related codes

Full explanation for LED2
Status & diagnostic codes

4 operating states & engineer diagnostics

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

LED 2 goes OFF Status Your boiler is attempting to start and creating a spark, but it is failing to detect a flame and is shutting down for safety. LED 2 OFF briefly Status Your boiler is trying to start the flame but the spark system isn't working correctly, preventing it from firing up. LED3 Status Your boiler is stuck in its starting sequence because it cannot confirm the fan is working correctly to clear away waste gases. LED4 Status Your boiler is receiving electrical power and is currently functioning normally, as this light is a status indicator rather than a fault.