If a pressure sensor fault has been registered, then no pressure reading will be shown:
If the unit requires servicing, then the Status will show SERVICE:
If a fault is present and a service is required, then the Status will show FAULT - SERVICE:
7.4 Menu Entry.
To enter the password protected menus press and hold down the OK button for three seconds
The screen will prompt for a 4-digit numeric password:
User Password: 4321
www.grundfos.co.uk
Status: FAULT
Low Water
System 1 Pressure
23/08/2017
Status: FAULT
Sensor
System 1 Pressure
23/08/2017
Status: SERVICE
System 1 Pressure
23/08/2017
Status: FAULT - SERVICE
Sensor
System 1 Pressure
23/08/2017
Page 14 of 47
GRUNDFOS INSTRUCTIONS
1.5 Bar
14.25
Bar
14.25
1.5 Bar
14.25
Bar
14.25
Enter Password
_ _ _ _