Worcester Bosch Greenstar 4000 System 1017 – System pressure too low

1017

System pressure too low

Worcester Bosch Greenstar 4000 System

Category

Remedy

▶ Top up system water and vent the system.
▶ Check the voltage to the pressure sensor and the signal back from the pressure sensor.
▶ Replace the pressure sensor.

This code also applies to:

Condens 7000 WP Greenstar 4000 Combi Greenstar 8000 F Combi Greenstar 8000+ Style Greenstar 8000+

Source: Manufacturer manual (PDF)