Troubleshooting; General Fault Codes; Fault Codes (Firmware Revision 3.02 Or Higher) - Siemens SITRANS L Series Operating Instructions Manual

Troubleshooting

9.1

General fault codes

Note
• The General Fault Codes were revised with Firmware Revision 3.02. If your device has
earlier firmware, see Fault codes (firmware revision 1.05 or earlier) (Page 76).
• Some faults cause the device to go to Failsafe mode (Fault 52). These are indicated with
an asterisk (*).
9.2

Fault codes (firmware revision 3.02 or higher)

Note
Some faults cause the device to go to Failsafe mode (Fault 34). These are indicated with an
asterisk (*).
Code
S:0
S:2
S:3
S:4
S:6
S:7
S:8
S:9
S:11
74
Meaning
* The device was unable to get a measurement
within the Failsafe Timer period. Possible caus-
es: faulty installation, antenna buildup, foam-
ing/other adverse process conditions, invalid
calibration range.
* The device is operating in a low power condition
that is outside its operating range. As a result, a
valid measurement has not been taken for the
failsafe timer period, and the device will be put
into failsafe mode.
Device is nearing its lifetime limit according to
the value set in Maintenance Required Limit.
Device is nearing its lifetime limit according to
the value set in Maintenance Demanded Limit.
Sensor is nearing its lifetime limit according to
the value set in Maintenance Required Limit.
Sensor is nearing its lifetime limit according to
the value set in Maintenance Demanded Limit.
Service interval as defined in Maintenance Re-
quired Limit has expired.
Service interval as defined in Maintenance De-
manded Limit has expired.
Internal temperature sensor failure.
Corrective action
Ensure installation details are correct.
Ensure no antenna buildup. Adjust pro-
cess conditions to minimize foam or
other adverse conditions. Correct range
calibration. If fault persists, contact your
local Siemens representative.
Correct the power supply (resistance or
voltage).
Replacement is recommended.
Replacement is recommended.
Replacement is recommended.
Replacement is recommended.
Perform service.
Perform service.
Repair required: contact your local Sie-
mens representative.
SITRANS Probe LR with mA/HART
Operating Instructions, 05/2019, A5E32337711-AC
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