M&C TechGroup PMA 100 Operator's manual - Manual (Page 34)

M&C Products Analysentechnik GmbH 9-3.12-ME
- 34 -
18.Trouble shooting
Fault description Display Solution
Measuring cell doesn‘t work E:01 resp. F:01, depending on Give air resp. nitrogen to the analyser
properly at 100 Vol.-% the language and restart the analyser
(suppressed measuring
range 99-100 Vol.-%)
Calibration fault:span gas is Display of the calibration fault Start new calibration.
switched off while proceed- until a new calibration is
ing the calibration of the carried out; the displayed value
span. is related to the last calibration.
Calibration limits of the A/D- Check the limits (see below) testing the
converter exeeded. converter channel (see menu);
When limits are exeeded a calibration at
the manufacturer has to be carried out.
Limits testing the converter channel (see menu):
Checking the zero point with nitrogen N
2
U
min
[V] U
max
[V]
0,005 0,147
Checking the span with ambient air (20,93 Vol.-%) at
normal pressure and different voltages of the zero point:
Zero point [V] U
min
[V] U
max
[V]
0,005 0,306 0,344
0,078 0,370 0,398
0,147 0,430 0,457
Checking the span with 100 Vol.-% oxygen O
2
at normal
pressure and different voltages of the zero point:
Zero point [V] U
min
[V] U
max
[V]
0,005 1,440 1,580
0,078 1,470 1,610
0,147 1,500 1,630