Unknown
F74 on Glow-worm Ultracom 2 SXI

Glow-worm Ultracom 2 SXI fault code F74

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Heating circuit pressure sensor fault

From this model's manual
Verified against the Glow Worm/Glow Worm Ultracom2 12sxi installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 75 fault codes on the Ultracom 2 SXI

Seeing a different code? Every code this model can display, in one place.

ErrF00F01F1F10F11F20F22F23F24F26F27F28F29F32F49F61F62F63F64F65F67F68F70F71F72F73F76F77F83F84F85F86P.01P.02P.03P.05P.06P.07S.00S.01S.02S.03S.04S.05S.06S.07S.08S.10S.11S.13S.14S.15S.16S.17S.20S.21S.23S.24S.25S.26S.27S.28S.30S.31S.32S.34S.39S.40S.41S.53S.54S.96S.98

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