What the manual says
Manufacturer manualWater pressure sensor test running, heating demands are blocked.
From this model's manual
Verified against the Glow Worm/Glow Worm Energy 35 Store Installation And Maintenance Instruc installation & service manual.
DIY fix possible
Wait 5 to 10 minutes for the boiler to finish its automated test cycle.Check that your heating controls are asking for heat.Restart the boiler if the message remains on the screen for too long.
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Related fault codes
All 72 fault codes on the Energy 35 Store
Seeing a different code? Every code this model can display, in one place.