Low
7 on Daikin EKOMB 22 Combi

Your boiler is currently performing a routine self-maintenance task to keep your hot water ready or to prevent internal components from freezing.

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.

What the manual says

Manufacturer manual

Heating up unit / Frost protection: The tap comfort function is keeping the heat exchanger at temperature, or frost protection has intervened because the heat exchanger temperature dropped too low.

Community-sourced, unverified
We could not tie this code to a specific manual. Treat it as indicative only.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check if the display returns to normal after 5-10 minutes.Ensure your thermostat is calling for heat if the house is cold.Verify that the boiler's condensate pipe hasn't frozen if the outside temperature is very low.

Find a Gas Safe engineer
Search the official register →
Boiler cover options

Avoid the next call-out bill

Monthly cover means no unexpected bills when your boiler breaks down.

Approved partner
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Get a quote →

Affiliate links. We may earn a commission at no extra cost to you.

Related fault codes

8View →9View →

All 27 fault codes on the EKOMB 22 Combi

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

0123456810111213142021222324272930EthLSoSu

Related guides you might find useful

No hot water but heating works

Almost always a stuck diverter valve on combis.

Read →

Yellow or orange flame — CO safety

Safety-critical — turn off, read this.

Read →

Is boiler cover worth it?

Break-even maths on monthly cover.

Read →