Low Information
88:0 on Viessmann Vitodens 050-W

Your boiler is operating normally, but the display settings have been changed or reset to show temperatures in Celsius.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Temperature display in °Celsius

What causes this fault?

This code appears when the boiler's internal settings have been adjusted to display temperatures in Celsius rather than Fahrenheit. It typically occurs after a manual setting change in the menu or following a system reset that reverted the display to its factory default unit of measurement.

DIY fix possible

Navigate to the display settings menuSelect the temperature unit optionConfirm your preferred unit (°C or °F) to clear the status message

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