User's Manual

Page 138 SITRANS LR560 (PROFIBUS PA) – OPERATING INSTRUCTIONS 7ML19985LT01
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F: Communications PA
Acyclic Extended Diagnostics (General Fault Codes)
In addition to the extended diagnostics available by cyclic data exchange (shown above),
further extended diagnostics are available via acyclic communications. This consists of
six bytes. See
Diagnosis reply (available cyclically) on page 135 for information on the
location of the Extended Diagnostics
Note: Certain fault codes (identified by an asterisk [*] in the table below) will persist
until a manual reset has been performed (see Fault Reset (3.2.) on page 82).
Acyclic Extended Diagnostics /General Fault Codes
LCD
display
Meaning Corrective Action Byte Bit
S:0
The device was unable to get a
measurement within the Fail-
safe LOE Timer period. Possible
causes: faulty installation,
antenna material buildup,
foaming/other adverse process
conditions, invalid calibration
range.
• Ensure installation details are
correct.
• Ensure no antenna material
buildup. Clean if necessary.
• Adjust process conditions to
minimize foam or other
adverse conditions.
• Correct range calibration.
• If fault persists, contact your
local Siemens representative.
0
0
S:2
Unable to collect profile
because of a power condition
that is outside the operating
range of the device.
Repair required. Contact your
local Siemens representative.
2
S:3
Device is nearing its lifetime
limit according to the value set
in Maintenance Required Limit.
Replacement is recommended.
3
S:4
Device is nearing its lifetime
limit according to the value set
in Maintenance Demanded
Limit.
Replacement is recommended.
4
S:6
Sensor is nearing its lifetime
limit according to the value set
in Maintenance Required Limit.
Replacement is recommended.
6
S:7
Sensor is nearing its lifetime
limit according to the value set
in Maintenance Demanded
Limit.
Replacement is recommended.
7