Low
0.0 on Worcester Bosch Greenstar 25i (ZWB 7-25)

Your boiler is currently operating normally, and this message simply shows the last recorded fault from when the system successfully resolved itself.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

No fault / Last fault indicator (If a fault has occurred, the display will show 0.0 and the last fault.)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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