BoilerFaultCodesIdeal Classic Se Fault codes & diagnostics
0 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: Classic 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 →
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 |
|---|---|---|
| 41-397-63 | Classic SE9 FF Silver | 2003–2005 |
| 41-397-64 | Classic SE12 FF Silver | 2003–2005 |
| 41-397-65 | Classic SE15 FF Silver | 2003–2005 |
| 41-397-68 | Classic SE18 FF Silver | 2003–2005 |
| 41-397-69 | Classic SE21 FF Silver | 2003–2005 |
| 41-397-70 | Classic SE24 FF Silver | 2003–2005 |
| 41-397-71 | Classic SE30 FF Silver | 2003–2005 |
| 41-395-30 | Classic SE9 FF | 2003–2011 |
| 41-395-31 | Classic SE12 FF | 2003–2011 |
| 41-395-32 | Classic SE15 FF | 2003–2011 |
| 41-395-33 | Classic SE18 FF | 2003–2011 |
| 41-395-34 | Classic SE21 FF | 2003–2011 |
| 41-395-35 | Classic SE24 FF | 2003–2011 |
| 41-395-36 | Classic SE30 FF | 2003–2011 |
Appliance names and production years are taken from the UK Product Characteristics Database (the SAP/SEDBUK register). Where a GC number is also printed in this model's own manufacturer manual, both sources were checked to agree.
Status & diagnostic codes 4 operating states & engineer diagnostics
Not faults — these are normal operating states. Tap to expand.
4 operating states & engineer diagnostics
Not faults — these are normal operating states. Tap to expand.