TELEDYNE OLDHAM SIMTRONICS OLCT 80 d, User Manual

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OLCT 80
GAS TRANSMITTER
USER MANUAL
NPO80GB
Revision F.1
107
15 Errors and Faults
In the event that the OLCT 80 detects a fault or error:
•
The orange indicator light (Figure 4, 2) will illuminate.
•
A specific message will be displayed (Figure 4, 5).
Cause of the error or fault Display Corrective action
Zero fault Follow the zeroing procedure (see page 68).
Sensitivity fault Adjust sensitivity; see page 68.
Worn sensor Replace the sensor; see page 76.
Main sensor missing The main sensor is disconnected. After taking all of
the necessary safety precautions (if the
OLCT 80
is
installed in an ATEX zone), open the cover of the
OLCT 80 and check the connection between the
sensor and the terminal on the printed circuit board.
Reading out of range The gas concentration measured is outside the
sensor's approved measurement range.
Negative reading Follow the zeroing procedure (see page 68) or
replace the sensor (see page 76).
Sensor temperature out of
range Protect the sensor from extreme variations in
temperature. See the
Metrological characteristics
on page 92.