Condensate pump: On Green / Flashing Red — Pump blocked

What does On Green / Flashing Red mean?

The Worcester Bosch Greenstar CDi Boiler's condensate pump shows a steady green light and a flashing red light, indicating that the pump is blocked.

• Physical blockage at the pump's inlet
• Accumulation of dirt or debris in the pump tank

Click steps to track your progress.

1. 1

   Turn off the power to the condensate pump.

2. 2

   Inspect the tank pump inlet for any dirt, debris, or obstructions.

3. 3

   Carefully remove any blockages found.

4. 4

   Restore power to the pump and verify if the fault clears.