Hamilton Electronics EPHUM011 - Manual (Page 61)

pH ARC Sensors Modbus RTU Programmer ’ s Manual (EPHUM011)
624300/01 page 61 / 67
2.8.4.3 Definition of Errors
Bit # Hex Description
not available
5 0x0000020 Glass resistance too high
6 0x0000040 Glass resistance too low
7 0x0000080 Reference electrode resistance too high
8 0x0000100 Reference electrode resistance too low
not available
15 0x0008000 Auxiliary electrode electrical potential too high
16 0x0010000 Auxiliary electrode electrical potential too low
17 0x0020000 Auxiliary electrode resistance too high
18 0x0040000 Auxiliary electrode resistance too low
not available
25 0x2000000 Temperature sensor defective
Figure 2.8.4.3.1: Definition of errors “ measurement ” .
Bit # Hex Description
1 0x0000002 Sensor failure (Quality value < 15%)
Figure 2.8.4.3.2: Definition of errors “ calibration ” .
Bit # Hex Description
not available
Figure 2.8.4.3.3: Definition of errors “ interface ” . None is defined.
Bit # Hex Description
not available
24 0x1000000 Internal communication error (between front-end and user-end)
Figure 2.8.4.3.4: Definition of errors “ hardware ” .