Brand hub
Worcester Bosch Fault Codes
Browse Worcester Bosch boiler fault codes with a cautious focus on safe user checks and engineer escalation. Use this hub to move into the right appliance section, then open the exact fault code page for quick meaning, safe first checks, and escalation advice.
Appliance hubs
1
Fault code pages
18
Guides linked in
1
Appliance types
Most searched fault codes
Most common fault families
circulation
3 code pages
flame-loss
3 code pages
sensor
3 code pages
fan and flue
2 code pages
low-pressure
2 code pages
overheat
2 code pages
Popular priority codes
EA for Boiler
The boiler failed to establish a flame
A1 for Boiler
The boiler is detecting poor water circulation
229 for Boiler
The boiler has overheated or hit a high temperature limit
232 for Boiler
Flame detection has been lost during operation
233 for Boiler
Flame detection has been lost during operation
268 for Boiler
Water circulation or pump performance issue
286 for Boiler
Water circulation or pump performance issue
296 for Boiler
Flame detection has been lost during operation