Digital control system High

Worcester Bosch Digital control system Fault Code

Q: What does the Worcester Bosch Digital control system fault code mean?

Your boiler's computer is experiencing an internal error and cannot communicate with its components, meaning it has shut down as a safety precaution.

Q: How much does it cost to fix Worcester Bosch error code Digital control system?

Typical repair cost for the Worcester Bosch Digital control system fault is £200-450 including labour.

Also written as DIGITALCONTROLSYSTEM — same fault.

The Worcester Bosch Digital control system fault code means: your boiler's computer is experiencing an internal error and cannot communicate with its components, meaning it has shut down as a safety precaution.. It appears on 1 Worcester Bosch model in our database.

Technical description: Built-in fault finding diagnostics

Typical repair cost £200-450 (including labour)

Engineer required

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

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Worcester Bosch models that show the Digital control system fault code

Click a model for the full fault code list and model-specific repair notes.

Greenstar 12i System Repair: £200-450

Source

Worcester Bosch Digital control system fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026