Operator Manual
Model 7003M
Error code
Possible cause
Power interruption, power surge or other outside interference has occurred
Corrective Action
Press ACK. If this symptom occurs frequently,
Will not read low levels of oxygen
Possible cause
Sudden change in output for no apparent reason
Possible cause
Sensor subjected to sudden change in conditions, as when a shadow moves and exposes the sensor to an increase in temperature
Corrective Action
Locate sensor in an area shaded from sunlight and away from cold or warm drafts.
Ambient air leaking into system
Check/Test
Increase sample flow rate, block off flow of gas in and out of flow chamber, and not analyzer response
Corrective Action
If signal increases with test, isolate and seal leak.
If signal does not increase, replace or recharge sensor.
Resolution degrading with time
Possible cause
Sensor exposed to low temperatures.
Check/Test
Per Section
If the sensor is degrading, the signal will change in steps as the oxygen level changes instead of changing continuously.
Corrective Action
Relocate sensor or replace more frequently.
Rosemount Analytical Inc. A Division of Emerson Process Management |