Worcester Greenstore E2X.RHP fault code

What it means

The compressor is stopped because of too high pressure in the refrigerant circuit. Activated on open contact on the high pressure switch.

Source: Worcester Greenstore LECP Installation, Commissioning and Servicing Instructions 6 720 806 768 (2013/02), §21.8 categories + §21.10 alarm functions + §21.13 information log (render-verified)

Can it be reset?

Resets when: Closed signal over the pressure switch. Acknowledgement is required.

Source: Worcester Greenstore LECP Installation, Commissioning and Servicing Instructions 6 720 806 768 (2013/02), §21.8 categories + §21.10 alarm functions + §21.13 information log (render-verified)

UK models this code applies to

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Now the harder half: proving what caused it

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