Neutronics 7100E - Fault Code 5: Analog Output Range Overflow; Fault Code 6: Analog Output Range Underflow; Fault Code 8: A Concentration Reading is Not Yet Available

Model 7100E Maintenance and troubleshooting
Manual P/N: C5-06-4900-14-0
Revision A, dated 24-Jun-2016
49
5.2 Routine periodic maintenance
Maintenance for the Model 7100E Oxygen analyzer is very simple. Apart from the normal maintenance
for any instrument, such as cleaning the chassis, wiping the display, and replacing the sensor, the Model
7100E does not require any major periodic servicing. Calibration of the sensor on a known gas source
should be performed on a regular basis. Use the chart below (Figure 27) as a general guide for
maintenance personnel.
TASK
RECOMMENDED FREQUENCY
AT
COMMISSIONING
EVERY YEAR
AS REQUIRED
Calibrate Sensor
✓
✓
Clean the analyzer chassis and
display panel with soft cloth. Make
sure the ventilation ports are clear.
✓
✓
Configure alarms
✓
✓
Check the Analog outputs and RS-
232 output against display
✓
✓
Replace the oxygen sensor
✓
Sensor life expectancy
3-5 years
Fig. 27, maintenance schedule