Model 3100 Analyzer Instruction Manual
Page 38
Manual file name: MN-A-0005, Rev. C
Manual P/N: C5-06-4900-16-0
4.3.1.7 Fault Code 7 – A/D appears to be defective
The “A/D appears to be defective” fault is NOT ACTIVE for the current version of the model 3100.
4.3.1.8 Fault Code 8 – A concentration reading is not yet available
The “concentration reading is not yet available” fault is active when the model 3100 is not ready for online
service. It is active during warm-up, calibration and during fault code-2 relay standby.
4.3.1.9 Fault Code 9 – Temperature sender appears to be open
The “Temperature sender appears to be open” fault is NOT ACTIVE.
4.3.1.10 Fault Code 11 – Non-native display range
The “non-native display range” fault indicates an O2 reading that is above the range configuration entered
in the Model 3100 setup (section 4.1.2.12). Fault code-11 is active when fault code 5 is active. Possible
causes of fault code-11 may be: Incorrect calibration gases, contaminated calibration gases, or faulty
calibration sampling lines/components, faulty RSM sampling lines/components, faulty or failing sensor,
system exposed to oxygen levels above the analyzer’s configured range.
4.3.1.11 Fault Code 12 – User calibration too large – NOT USED
4.3.1.12 Fault Code 13 – User calibration too small – NOT USED
4.3.1.13 Fault Code 14 – Oven temperature error
The “oven temperature error” fault indicates that during normal operation, the Remote Sensor Module
(RSM) is consistently reporting unexpected temperatures from the Sensor Heater. Tolerance for the oven
temperature error is + 0.2C. Fault code-14 is also active during analyzer warm-up. Possible causes of
fault code-14 are: Sensor heater failing, sensor heater control interface failure, or erratic/incorrect sensor
heater power supply voltage.
4.3.1.14 Fault Code 15 – Bad user calibration
The “bad user calibration” fault indicates that the user has attempted to calibrate what appears to the
Model 3100 as a faulty sensor. Possible causes of fault code 15 are: incorrect calibration gases,
contaminated calibration gases, or contaminated calibration sampling lines/components, faulty RSM
sampling lines/components, faulty sensor.
4.3.1.15 Fault Code 16 – Heater Failure
The “heater failure” fault indicates that during warm-up, the sensor heater is not reaching expected
temperatures within configured time tolerances set at the factory. Possible causes of fault code-14
include: sensor heater hardware failure, failure in sensor heater control interface, or sensor heater power
supply voltage incorrect or missing fault codes.
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