BoilerFaultCodesIdeal Low Water Pressure Fault Code
Also written as LOWWATERPRESSURE — same fault.
The Ideal Low Water Pressure fault code means: your boiler has stopped working because the water pressure inside the system has dropped too low, which is usually easy to fix by topping it up.. It appears on 14 Ideal models in our database.
Technical description: System pressure too low — check pressure gauge
DIY fix possible
Locate the filling loop (usually a silver flexible hose with one or two blue lever valves) underneath the boiler.Open the valve(s) slowly until you hear water running and watch the pressure gauge needle rise.Close the valves tightly once the gauge reaches 1.5 bar and check if the boiler restarts.
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Ideal models that show the Low Water Pressure fault code
Click a model for the full fault code list and model-specific repair notes.
- Atlantic Combi Repair: £80-120
- Combi I
- Evomax
- Independent Repair: £80-120
- Logic Code Combi Repair: £0-120
- Logic Combi ES24
- Logic Combi ES30
- Logic Combi ES35
- Logic Max System 2 Repair: £0-120
- Logic+ Repair: £80-150
- LOGIC+ SYSTEM2
- Vogue Repair: £0-120
- Vogue Max Combi Repair: £0-120
- Vogue Max System Repair: £0-120
Source
Ideal Low Water Pressure fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.
- Ideal Logic Code Combi manual →
- Ideal Logic Combi ES35 manual (PDF)
- Ideal Logic Max System 2 manual →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026