Siemens SITRANS L Series Operating Instructions Manual - Page 27
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Diagnostics and troubleshooting
7.3 Diagnosis, fault messages
Reaction after fault rectification
Depending on the reason for the fault and the measures taken, the steps described
in chapter " Setup" must be carried out again or must be checked for plausibility and
completeness.
7.3
Diagnosis, fault messages
Checking the switching signal
The 360° status indication on the device indicates the operating status of the device.
At the same time it indicates the switching state of the output. This enables simple
on-site diagnosis without the need for tools.
Error
Green signal lamp off
Green signal lamp flashes
Red signal lamp lights
(switching output high-
impedance)
Red signal lamp flashes
(switching output high-
impedance)
7.4
Return procedure
Enclose the delivery note, the return goods delivery note and the decontamination
declaration in a clear plastic pouch and attach it firmly to the outside of the
packaging. Any devices/replacement parts which are returned without a
decontamination declaration will be cleaned at your expense before further
processing.
Required forms:
•
20
Delivery note
Cause
Voltage supply interrupted.
Electronics defective
Maintenance required
Error with the electrical
connection
Shortcircuit or overload
Measuring tip damaged
Transmitter outside the
specification
Transmitter is in simulation
mode
Rectification
Check the voltage supply and the cable
connection
Exchange the transmitter or send it in for
repair
Carry out maintenance
Connect the transmitter according to the
wiring plan
Check the electrical connection
Check whether the measuring tip is
damaged
Check the adjustment of the transmitter
Terminate simulation mode
Operating Instructions, 02/2021,
SITRANS LCS050
A5E50859888