Low
Solid (Green LED) on Vokera Sabre 29HE

Your boiler is operating normally and actively fulfilling a request to provide heating or hot water.

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

Active for heat/DHW request

From this model's manual
Verified against the Vokera/Vokera Sabre 29he installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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

Avoid the next call-out bill

A cover plan would handle faults like Solid (Green LED): no call-out fees, no surprise bills.

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.

All 9 fault codes on the Sabre 29HE

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

DHW NTC faultFlashing 8-times a secondON every 0.5-secs (Green LED)ON every 0.5-secs (Red LED)ON every 0.5-secs (Yellow LED)ON every 6-secsSolid (Red LED)Solid (Yellow LED)

Related guides you might find useful

No hot water but heating works

Almost always a stuck diverter valve on a combi.

Read →

Is boiler cover worth it?

Break-even maths on monthly cover.

Read →

When to replace your boiler

7 signs repair isn't worth it anymore.

Read →