OLCT 60
FIXED POINTGAS MONITOR
USER MANUAL
NPO60GB
Revision F.2
59
11
Fault and error codes
11.1
Errors (
E xx
)
Errors are exclusively generated when a communication trouble occurs between the sensor and
the internal board. Errors are identified in the following format
Exx (whereas xx corresponds to
the error code). No corrective action is possible for the operator. In this case, sensors must be
returned to the manufacturer or his local agent.
Number Cause
Figure 31: Example of
communication errors
35 to
39
Communication error with the sensor
40 to
42
Communication error with the infrared sensor block (OLCT
IR).
11.2
Faults (
dEF xx
)
A fault signal alerts about a material fault (voltage, sensor etc...). Here below is the list of possible
faults. Please note that the occurrence of more than one fault is not displayed by showing a
sequence of the reference code numbers but rather by adding them up to each other.
If, for example, a zero fault (code 1) and a sensitivity fault (code 2) are detected, the display will
show the fault code 3. In this case the analogic output signal will equal 1 mA.
N°
Cause
Figure 32: Display
example of a fault
code 3
1
Zero fault after calibration
2
Sensitivity fault after calibration
4
Sensor worn out after calibration
8
Memory problem.
16
Excessive negative signal.
32
Measuring beyond upper range.
64
Fault after an internal control
256
Line voltage too low.
512
RAM memory problem.
1024 Memory programmation problem.
ABS
No sensor block.
Summary of Contents for OLCT 60
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