Siemens ULTRAMAT 23 Product Information page 17

Fault and maintenance requirements
The faults and maintenance requirements of the H
described in the 'Maintenance' section of the operating instructions C79000-G52xx-C216-03.
The following faults and maintenance requirements are specific to the H
Table 1 H S specific fault messages
2
No. Fault message/
Maintenance requirement
S3 Measured value channel 3 (H
beyond tolerances
Measured value display: *****
S14 Channel component error
S28 H S protection function
2
S29 Zero point of the H
beyond tolerances
S30 Sensitivity of the H
low
W5 H S sensor
2
Supplement 1 for Operating Instructions C79000-G52xx-C216-03
A5E02769382-03, 03/2012
2
Possible cause(s)
S) Sensor defective
2
Sensor installed with incorrect
measuring range
Sample gas concentration too high
S sensor Purge time too short for calibration
2
S sensor too Sensor depleted
2
Measuring reserve almost depleted
S sensor for the most part correspond to those of the O
S sensor:
2
sensor and are
2
Remedy
Replace sensor
Install sensor with correct measuring
range
Check sample gas
Repeat calibration
Replace sensor
Replace sensor at the next opportunity
Message S3 appears when the
measuring capacity is depleted
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