What does the Heatline P.05 fault code mean?

Your boiler is currently refilling its internal water system to ensure it has enough pressure to operate correctly.

How much does it cost to fix Heatline error code P.05?

Cost varies. Contact a Gas Safe registered engineer for a quote.

Heatline P.05 Fault Code: What It Means & How to Fix It

What the manual says

Manufacturer manual

Filling the appliance

Shared across the range

This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.

DIY fix possible

Wait for a few minutes to see if the boiler completes the automatic filling process.Check if your boiler pressure gauge is between 1 and 1.5 bar.If the code persists, ensure the external filling loop valves are fully closed.

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Related fault codes

P.01View →P.02View →

All 111 fault codes on the Compact 24

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

d.00 d.01 d.02 d.08 d.09 d.10 d.16 d.17 d.18 d.20 d.22 d.23 d.33 d.34 d.35 d.36 d.40 d.41 d.44 d.67 d.68 d.69 d.71 d.80 d.81 d.82 d.83 d.85 d.93 d.94 d.96 Err F00 F01 F10 F11 F20 F22 F23 F24 F26 F27 F28 F29 F32 F49 F61 F62 F63 F64 F65 F67 F68 F70 F71 F72 F73 F74 F76 F77 F83 F84 F85 F86 P.01 P.02 P.03 P.06 P.07 S.00 S.01 S.02 S.03 S.04 S.05 S.06 S.07 S.08 S.10 S.11 S.13 S.14 S.15 S.16 S.17 S.20 S.21 S.23 S.24 S.25 S.26 S.27 S.28 S.30 S.31 S.32 S.34 S.35 S.36 S.37 S.41 S.53 S.54 S.58 S.90 S.92 S.95 S.96 S.97 S.98

Related guides you might find useful

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Six most common causes of dropping pressure.

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Low pressure — repressurise guide

Step-by-step using the filling loop.

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Yellow or orange flame — CO safety

Safety-critical — turn off, read this.

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Your boiler is currently refilling its internal water system to ensure it has enough pressure to operate correctly.

What the manual says

DIY fix possible

Avoid the next call-out bill

Related fault codes

All 111 fault codes on the Compact 24

Related guides you might find useful

Boiler keeps losing pressure

Low pressure — repressurise guide

Yellow or orange flame — CO safety

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