Set Appliance State:
CH Demand
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Access the diagnostic display by holding the mode button until the display changes.
Use the +/- buttons to scroll to 96, then press the mode button to confirm.
The screen will show d 0 at the bottom and the value it is currently set to.
This indicates that you have level 1 access, the number being the diagnostic number.
Use +/- to scroll to the desired number then press the mode button display the value.
In this instance d99 will display the current boiler status.
Pump overrun is indicated by d99 showing 7.
Check that the number corresponds with the correct status.
Note: If d99 shows 5 this indicates combined fan/pump overrun, this should only occur for
around 20 secs as the fan will then stop and d99 will revert to 7 (pump overrun only).
FULL LIST OF STATUS CODES FULL LIST OF DIAGNOSTIC CODE NUMBERS
Use the +/- buttons to scroll to 96, then press the mode button to confirm.
The screen will show d 0 at the bottom and the value it is currently set to.
This indicates that you have level 1 access, the number being the diagnostic number.
Use +/- to scroll to the desired number then press the mode button display the value.
In this instance d99 will display the current boiler status.
Pump overrun is indicated by d99 showing 7.
Check that the number corresponds with the correct status.
Note: If d99 shows 5 this indicates combined fan/pump overrun, this should only occur for
around 20 secs as the fan will then stop and d99 will revert to 7 (pump overrun only).
FULL LIST OF STATUS CODES FULL LIST OF DIAGNOSTIC CODE NUMBERS
