Alarm codeF120
Sensor reference alarm. Impedance of reference too low. The manual's first action is: “Remedy: Inspect glass electrode for hair-line cracks and breakage, Check the medium temperature, Check the electrode plug-in head for moisture and dry if necessary, Replace sensor”
- Model
- Endress+Hauser CM14
- Display shows
- Sensor ref. (F120)
- Type
- Alarm code
- Source
- Manual p. 29
What F120 means
Sensor ref. p. 29
Common causes
- Sensor reference alarm. Impedance of reference too low. p. 29
What to do
- Remedy: Inspect glass electrode for hair-line cracks and breakage, Check the medium temperature, Check the electrode plug-in head for moisture and dry if necessary, Replace sensor p. 29
Before you service the product, read the safety instructions in the manual p. 5.
If F120 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 F120; 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.