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CE 207

CE 207 — Water pressure too low

Worcester Bosch · Boilers

What does CE 207 mean?

The boiler's water pressure is too low. This is a common issue that prevents the boiler from operating safely and efficiently.

Common Causes

  • System water leak.
  • Recent bleeding of radiators.
  • Insufficient water in the heating system.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the boiler's pressure gauge; it should typically be between 1.0 and 1.5 bar.

  2. 2

    Follow your boiler's manual to re-pressurize the system by opening the filling loop.

  3. 3

    If the pressure drops again quickly, check for leaks or contact a Gas Safe registered engineer.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

A1A1 — Water leak or pump dry runA1 281A1 281 — Pump stuck or running dryA3 317A3 317 — Flue gas temperature sensor short circuit
Source: Worcester Bosch Boilers
Open Manual (Page 43)Search more codes in this manual