KROHNE OPTISYS SLM 2100, Handbook, Page: 71 / 88

OPERATION
5
71
OPTISYS SLM 2100
www.krohne.com 01/2017 - 4002737304 - MA OPTISYS SLM 2100 R04 en
5.8.2 Error category "Application error" ( "F", not bold)
5.8.3 Error category "Information" (I)
5.8.4 Error category "Out of specification" (S)
INFORMATION!
Regard that also in case of an error message of the category "F" the measured values are not
valid!
Messages on the display Description Actions
F Door open The door of the cable drum compartment is
open. Motor stops and measurement cycle
is interrupted.
Close the door; if closed check safety
switch; Error will be automatically reset, if
problem was solved.
F Sensor supply voltage Voltage supply out of range. Check if pick up axle board is correctly
positioned and the optical path is clean.
Error needs to be reset manually and
measurement can be started again. The
distance for correct transmission should
not exceed 2 mm / 0.079 inch.
Messages on the display Description Actions
I Search reference point Sensor returns to home position to set zero
point of level measurement.
No action necessary!
I Motor up Motor reels up.
I Motor down Motor reels down.
I Heater active Internal heater is switched on.
I Fan active Fan is switched on.
I Concentration not found The sensor did not detect the concentration
set by the user during this measuring cycle.
I Cable cleaning active Cleaning unit is switched on.
I Sensor cleaning active Cleaning unit is switched on.
I Rake guard Rake guard switch is active.
I Pump lead time Pump lead time for external pump is active.
I Relay 1 active Indicating that relay 1 is active.
I Relay 2 active Indicating that relay 2 is active.
INFORMATION!
Regard that in case of an error message of the category "S" the measured values are only
conditionally usable!
Messages on the display Description Actions
S Sensor comm. warning The communication to the sensor was
interrupted.
Warning, that communication to sensor was
interrupted for a short time. No action
necessary. Error will be automatically reset,
if error does not occur again.
S Out of spec.
concentration
Current output out of range (valid in Profile /
tracking mode for current channel B,
proportional to the measured
concentration).
Check the limits of the 4
…
20 mA current
outputs. If the maximum concentration is
exceeded please enter a larger value.