1065
System pressure sensor faulty or not connected
Worcester Bosch Greenstar 8000+
Remedy
1. Check the water pressure sensor plug is connected.
2. Plug the connection plug on the water pressure sensor correctly.
3. Check the continuity of harness and replace if required.
4. Check the voltage to the pressure sensor and the return voltage to the pressure sensor.
5. Replace the pressure sensor.
This code also applies to: