Ideal · Exclusive 2
FU boiler fault code
Exclusive 2 — models 24 / 30 / 35
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What FU means
Flow/Return Differential > 50°C.
Gas Safe engineer: Contact Ideal or arrange a Gas Safe registered engineer for diagnosis.
If you smell gas, a CO alarm sounds, anyone feels unwell, or there is an unsafe flame, leave and call 0800 111 999 from outside.
Renting? Report it to your landlord or housing provider first. They are responsible for gas safety and boiler repairs, and the repair should not cost you.
Safe check
No homeowner action is listed. Do not reset or adjust the boiler; contact Ideal or arrange a Gas Safe registered engineer.
When to contact an engineer
Contact Ideal or arrange a Gas Safe registered engineer for diagnosis.
Source and provenance
- Exclusive 2 User Guide · UIN 220221 A07 (June 2022) · §9 Fault Codes, printed p. 8
user guide
June 2022 · UIN 220221 A07