Operating Instructions OXY5500 Gas Analyzer
28 Endress+Hauser
• General: Here the Sensor type of the currently connected oxygen sensor is displayed.
o The currently measured or manually set Pressure value is also displayed in the General box. For automatic
measurement, the display will show the interpreted pressure value from the 4-20mA input. If no pressure
sensor is connected, the display will read 1013 mbar.
o In the lower right of the General box, the time Interval at which the measurements are taken is displayed.
o Next provides the time period (the countdown during a running measurement) until the next measurement.
o The RATA is displayed at the bottom of the screen.
o Error Codes are also displayed under the General box. Error codes are also logged together with
measurement data. During error-free measurements, a 0 value will display.
• Click the Left Arrow to return to Simple view.
• Click the Right Arrow to display the measurement graph. Clicking the button will switch to the graphical
presentation of the current measurements. Refer to Graph screen → .
• Click Menu to return to the MAIN MENU screen.
5.9.3 Error codes
The error code is a bit combination of multiple errors. Table 8 shows a list of error bits. Some examples of error codes
are shown below:
• Error code: 1 = No RTD (Pt100) (bit O)
• Error code: 5 = No RTD (Pt100) and amplitude too low (bit 0 [2N Value 1], bit 2 [2N Value 4)=5)
• Error code: 1024 = No pressure sensor connected (bit 10)
• Error code: 1029 = No RTD (Pt100), amplitude too low, no pressure sensor connected (bit 0 [2N Value 1], bit 2
[2N Value 4], bit 10 [2N Value 1024] = 1029)
Bit 2N Value Error
0 1 No RTD (Pt100)
1 2 No sensor selected
2 4 Amplitude too low
3 8 SD card defect
4 16 Reference amplitude out of range
5 32 Photo diode saturated
6 64 Signal overflow
7 128 Signal overflow
8 256 Reserved
9 512 Critical error. Refer to Service → .
10 1024 No pressure sensor / pressure sensor out of range
11 2048 Reserved
12 4096 Storage space full
Table 8. Error codes
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