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October 2020
5.3
Check the probe wiring
Prerequisites
The power supply to the level switch must be switched off.
Procedure
1. Clean away any deposits on the probe.
2.
3.
multimeter.
Less than 5 Ohm must be present between:
•
•
•
More than 1 MΩ resistance must be present between:
•
•
If other values are present, the wiring of the probe is incorrect or
defective.
Quick Start Guide
Take out the electronic board and disconnect internal wires.
Check the orange, yellow, and green/yellow wires with a
C
D
E
A. Orange (probe) and yellow (shield)
B. Green/yellow (ground)
C. Ground
D. Shield
E. Probe
Orange wire and probe
Yellow wire and shield
Green/yellow wire and ground
Orange and yellow wires
Orange and green/yellow wires
A
B
Quick Start Guide
43
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