What the manual says
Manufacturer manualTemperature-pressuregauge
From this model's manual
Verified against the Biasi/Biasi Riva Compact 24s M90e 24s 4797017 installation & service manual.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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All 24 fault codes on the Riva Compact 24S (M90E.24S)
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