Error code

Worcester Bosch Boiler Fault Code 268

Last updated: 2 April 2026Boiler faults need a cautious approach

Quick answer

268

high severity

Water circulation or pump performance issue

First safe action

Check the boiler pressure and any obvious user controls described in the manual.

Meaning

Worcester Bosch boiler fault code 268 usually points to poor water circulation through the boiler or heating system, often involving the pump, trapped air, or a blockage.

Likely causes

Pump issue
Restricted circulation through the system
Airlock or sensor reading linked to poor flow

Safe first checks

Check the boiler pressure and any obvious user controls described in the manual.
Do not dismantle pumps, valves, or pipework yourself.
Use a standard reset only if the manufacturer guidance allows it.

How to reset

Try a single user reset after any permitted checks are completed.
Arrange an engineer if circulation-related faults return.

When to call an engineer

If circulation faults return, book a qualified heating engineer rather than continuing to reset the boiler.

Safety warning

Do not open the casing or interfere with pumps, valves, or sealed system components.

Useful hub links

Worcester Bosch hub

Browse all Worcester Bosch fault code clusters.

Worcester Bosch Boiler hub

See every boiler code in this cluster.

Related fault codes

233 for Worcester Bosch Boiler

Flame detection has been lost during operation

281 for Worcester Bosch Boiler

A boiler sensor is giving an invalid reading

286 for Worcester Bosch Boiler

Water circulation or pump performance issue

A1 for Worcester Bosch Boiler

Water circulation or pump performance issue

229 for Worcester Bosch Boiler

The boiler has overheated or hit a high temperature limit

232 for Worcester Bosch Boiler

Flame detection has been lost during operation

Relevant guides

Boiler Fault Codes: When to Stop and Call a Professional

Boiler issues need a more cautious approach than most white goods, especially where gas, combustion, or repeated lockouts are involved.

Frequently asked questions

Can I keep resetting a Worcester Bosch boiler with 268?+

No. If 268 returns after one standard user reset, stop there and arrange a qualified engineer if the manual gives no safe next step.

Is 268 something I can repair myself?+

Boiler faults should be treated cautiously. Stay within the user checks in the manual, and leave gas, combustion, and internal boiler repairs to a qualified professional.