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Maintenance
6-5
Operating instructions ULTRAMAT 23 gas analyzer
C79000-B5276-C216-03
Table 6-1
Fault messages
Fault message
Remedy
Possible causes
AUTOCAL drift beyond tolerance
Sample cell contaminated
Detector faulty
IR source power too low
Fault at EEPROM
Checksum not OK
Read character
≠
written
character
IR channel 1 not calibrated
Calibration of full-scale value/sag
missing
IR channel 2 not calibrated
Calibration of full-scale value/sag
missing
IR channel 3 not calibrated
Calibration of full-scale value/sag
missing
Voltage for IR source beyond
t l
IR source not OK
tolerance
Motherboard faulty
Supply of bridge beyond
t l
Channel amplifier faulty
tolerance
Motherboard faulty
Half-bridge voltage beyond
t l
Channel amplifier faulty
tolerance
Motherboard faulty
Lock-in fault
Channel amplifier faulty
Motherboard faulty
Sensitivity of O
2
sensor too low
O
2
sensor faulty or old
Replace the O
2
sensor as
described in Section 6.2.1 .
Overflow of AD converter
Electronics faulty
External fault
Signaling of an external fault
Summary of Contents for 7MB2335
Page 2: ......
Page 8: ...I 4 Operating Instructions ULTRAMAT 23 Gas Analyzer C79000 B5276 C216 03 ...
Page 112: ...Shut down 7 4 Operating instructions ULTRAMAT 23 gas analyzer C79000 B5276 C216 03 ...
Page 113: ...8 1 Operating instructions ULTRAMAT 23 gas analyzer C79000 B5276 C216 03 Spare Parts List 8 ...
Page 133: ...Spare parts list 8 21 Operating instructions ULTRAMAT 23 Gas analyzer C79000 B5276 C216 03 ...
Page 137: ...Spare parts list 8 25 Operating instructions ULTRAMAT 23 Gas analyzer C79000 B5276 C216 03 ...
Page 164: ...Appendix 9 12 Operating instructions ULTRAMAT 23 gas analyzer C79000 B5276 C216 03 ...
Page 166: ...Appendix 9 14 Operating instructions ULTRAMAT 23 gas analyzer C79000 B5276 C216 03 ...
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