critical Worcester

Error Code Fault 2980

Safety-related fault — heating and hot water will not be available until remedied by a qualified heating engineer.

? What Causes This

Internal appliance safety fault; do not attempt to remedy without professional help.

Do not attempt to remedy this fault yourself.
Contact a qualified heating engineer immediately.
Heating and hot water will remain unavailable until the fault is corrected by a professional.

Source: page 14 of the official manual

From the manual

This error code appears in: