Worcester Bosch Greenstar 4000 (before May 2021) 810 – Hot water remains cold

810

Hot water remains cold

Worcester Bosch Greenstar 4000 (before May 2021)

Category

Remedy

▶ Reset the appliance and wait 24 hours
▶ Check the DHW valves,
▶ Check the 3-way valve, replace if necessary,
▶ Check that the tank is properly connected.

This code also applies to:

Greenstar 4000 (from May 2021)

Source: Manufacturer manual (PDF)