2965
Flow temperature too high
Worcester Bosch Greenstar 4000 (from May 2021)
Remedy
▶ System is not filled with water.
▶ No water flow, because CH system is closed.
▶ No water flow, because pump is not operating correctly.
▶ Check flow through appliance and system pressure.
▶ Check for air locks in the system. Purge if required.
▶ Check isolation valves.
This code also applies to: