Unknown
11 on Viessmann Vitodens 111-W B1LF 32kW

Viessmann Vitodens 111-W B1LF 32kW fault code 11

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

No solar DHW heating or central heating backup Lead break, collector temperature sensor

From this model's manual
Verified against the Viessmann/Viessmann Vitodens 111 W B1lf 6167585 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 11: 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 95 fault codes on the Vitodens 111-W B1LF 32kW

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

781213141516293049505758596263676869707173747789919295100102103104142160161163182183184185345346348349352353354355357359361365369370372373377378379380381382385386387388395396399400401402403404405416425446453454457463464467468471474517540544545738E10E12

Related guides you might find useful

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 →

Boiler service cost

What a UK service costs and what a proper one includes.

Read →