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REPAIR
9
Error messages
9.1
Display
UL
OL
SC1
SC2
SC
Err
* The affected output is switched off as long as the short-circuit lasts.
Note
Cleaning the sensor
9.2
You must clean the sensor:
• Before each calibration/inspection (at least 1 x per year)
• Regularly during operation.
You can remove the sensor and clean it manually.
Cleaning agents
9.2.1
For cleaning the sensor, use agents containing surfactants (alkaline) or
water-soluble organic solvents (e.g. ethanol).
Isopropanol is recommended for cleaning various contamination, especially
greases and oils.
Description
Measuring value < -20% of final value of measuring
range (temperature)
Recording range exceeded
(Flow rate > 120% of final value of measuring range)
Flashing: short-circuit in switching output 1*
Flashing: short-circuit in switching output 2*
Flashing: short-circuit in both switching outputs*
Flashing: Malfunction in probe
These messages are shown even when the display is off.
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