What does the Unical 23 fault code mean?

Your boiler has detected that a button on the control panel has been held down for too long, which usually means a button is stuck or the panel is faulty.

How much does it cost to fix Unical error code 23?

Typical repair cost for the Unical 23 fault is £0-180 including labour.

Unical 23 Fault Code: What It Means & How to Fix It

What the manual says

Manufacturer manual

Detected tab panel button pressed for longer than 30 “

Community-sourced, unverified

We could not tie this code to a specific manual. Treat it as indicative only.

DIY fix possible

Check all buttons on the front control panel to see if any are physically stuck in the 'in' position.Gently press and release each button several times to ensure they click and spring back out.Clean the control panel with a dry microfiber cloth to remove any sticky residue or grit hindering the buttons.Reset the boiler by turning the power off and back on at the fused spur switch.

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All 47 fault codes on the Alkon C 28 HE

Seeing a different code? Every code this model can display, in one place.

6 08 8 09 10 11 12 13 14 15 16 17 18 19 20 21 22 24 25 26 27 28 30 32 33 38 43 44 45 53 55 75 80 81 AF BLOCK db Fd FL FR Hb HL Ht Lp rb tf

Your boiler has detected that a button on the control panel has been held down for too long, which usually means a button is stuck or the panel is faulty.

What the manual says

DIY fix possible

Avoid the next call-out bill

All 47 fault codes on the Alkon C 28 HE

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