Fault codeF904
Process check system alarm. No change in measurement signal for a long time. The manual's first action is: “Check measuring chain Inspect sensor Carry out software restart”
- Model
- Endress+Hauser CM14
- Display shows
- Process check (F904)
- Type
- Fault code
- Source
- Manual p. 30
What F904 means
Process check p. 30
Common causes
- Process check system alarm. No change in measurement signal for a long time. p. 30
What to do
- Check measuring chain Inspect sensor Carry out software restart p. 30
Before you service the product, read the safety instructions in the manual p. 5.
If F904 is still not resolved
- contact your Endress+Hauser Sales Center for clarification p. 5 “If you are unsure, please contact your Endress+Hauser Sales Center for clarification.”
- contact your sales center for information on modifications or updates to the Operating Instructions p. 5 “Please contact your sales center for information on modifications or updates to the Operating Instructions.”
This page summarises what the manufacturer’s manual says about F904; 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 Endress+Hauser. Found a mistake? Report an error.