Ideal Classic SE9 RS Fault Codes
Regular Natural Gas 9.1 kW 2001-2005 Discontinued
GC Number: 41-392-11
Replaced by: Mexico HE
The fault code is already on your display
Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →
Most common fault codes
I3 Main burner does not light No spark at ignition electrode
Your boiler is not receiving any electrical power, which is why the lights are off and it isn't working.
May be DIY safe · £60-120
Your boiler is failing to ignite the main gas flame, which means your heating and hot water will not work.
Gas Safe engineer required · £120-350
Your boiler is failing to light the gas flame, meaning your heating and hot water will not work.
Gas Safe engineer required · £120-280
All 7 fault codes
Ideal Classic SE9 RS is discontinued — time for a new one?
Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
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