Instructions

7 | Maintenance DO-400
20 / 29 B-H86.0.21.DB214-1.0
Outcome of an action
After successful completion of the calibration the assessment of the electrode condi-
tion is displayed briefly in percent. An aged or contaminated electrode, incorrect ad-
justment of the pressure, contamination of the platinum electrode or a damaged mem-
brane can be the cause for a lower evaluation.
If the calibration is not completed successfully an error message is displayed. (AL ERR.
appears in the display See Error and system messages [}p.26]. Confirm the error
message pressing the Function key. The product restarts and the value of the last suc-
cessful calibration is restored.