Fault code109
ID 1109 - Input Pressure Supervision means the input pressure signal is below the alarm limit set in P3.13.9.7. The manual's first action is: “Check the process.”
- Model
- Danfoss 100 FLOW
- Display shows
- ID 1109 - Input Pressure Supervision (109)
- Type
- Fault code
- Source
- Manual p. 315
What 109 means
ID 1109 - Input Pressure Supervision p. 315
Common causes
- The supervision signal of the input pressure (P3.13.9.2) is lower than the alarm limit (P3.13.9.7). p. 315
What to do
- Check the process. p. 315
- Check the parameters in menu M3.13.9. p. 315
- Check the input pressure sensor and connections. p. 315
If 109 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Danfoss service.
This page summarises what the manufacturer’s manual says about 109; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Danfoss. Found a mistake? Report an error.
