Function principle
[13]
Table 4-1: Causes for sensor not OK indication (continued)
Cause
Possible reasons
Solution
Sensor cable break Open connector. Check the sensor cable
and connections. Replace
a defective sensor. Check
cable path to avoid further
damages.
Damaged sensor cable.
Sensor head damage Permissible environmental temperature
has been considerably exceeded.
Replace the defective
sensor. Check sensor
adjustment and
environmental condition
to avoid further damages.
Sensor head has touched the measuring
object.
The sensor not OK indication is reset as soon as the voltage is below the limit again.
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