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
Acyclic Data
six bytes. See
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 (3.1.)
Acyclic Extended Diagnostics /General Fault Codes
LCD
Meaning
display
The device was unable to get a
measurement within the Fail-
safe LOE Timer period. Possible
causes: faulty installation,
antenna material buildup, foam-
S:0
ing/other adverse process con-
ditions, invalid calibration range.
Unable to collect profile
because of a power condition
S:2
that is outside the operating
range of the device.
Device is nearing its lifetime
limit according to the value set
S:3
in Maintenance Required Limit.
Device is nearing its lifetime
limit according to the value set
S:4
in Maintenance Demanded
Limit.
Sensor is nearing its lifetime
limit according to the value set
S:6
in Maintenance Required Limit.
Page 138
SITRANS LR200 (PROFIBUS PA) – INSTRUCTION MANUAL
on page 141 for information on the location of the Extended
Corrective Action
Ensure installation details are
correct. Ensure no antenna
material buildup. Clean if neces-
sary. Adjust process conditions
to minimize foam or other
adverse conditions. Correct
range calibration. If fault persists,
contact your local Siemens rep-
resentative.
Repair required: contact your
local Siemens representative.
Replacement is recommended.
Replacement is recommended.
Replacement is recommended.
on page 69
).
Byte
Bit
0
7ML19985JR01
0
2
3
4
6