Observation:
This is a short list of the main diagnostic codes that will be used during fault finding, there are many other codes available to give other information.
To see details of these go to section 13 of the manufacturers instructions.
To see details of these go to section 13 of the manufacturers instructions.
| DISPLAY | DESCRIPTION | d.0 | Heating Part Load (in KW, default max. output) |
| d.1 | Pump Overrun time (2-60min, default 5min) |
| d.8 | External Controls Status (1 = call, 0 = no call) |
| d.10 | Pump Status (1,2 = on, 0 = off) |
| d.34 | Current Fan Speed (in RPM/10) |
| d.40 | Current Flow Temperature |
| d.41 | Current Return Temperature |
| d.44 | Ionisation Current (>80 no flame, <40 good flame) |
| d.76 | Appliance Variant (DSN) |
| d.99 | Boiler Status Code (click CONTINUE below for more information) |