Potential cause
Electronics failure
Recommended actions
1. Check cell mV input to electronics.
2. Check electronics package.
5.4
Probe does not give accurate indication of
applied test gas
Potential cause
Blocked port
Recommended actions
1. Check test gas input port.
2. Clean port.
3. If the flue gas is condensing in the test gas line, insulate the back of the probe.
4. Make sure that the test gas line is capped between calibrations or a check valve is
installed.
Potential cause
Diffusion element cracked, broken, or missing
Recommended actions
1. Check ceramic diffusion element.
2. Replace diffusion element.
5.5
Probe heater temperature unstable
Potential cause
Wrong heater
Recommended actions
1. Check to see if the proper voltage heater is installed.
2. Change heater to proper voltage.
Reference Manual
Troubleshoot
00809-0100-4880
October 2019
Rosemount Oxymitter DR
69
Summary of Contents for Rosemount Oxymitter DR
Page 4: ...4 ...
Page 52: ...Startup and operate Reference Manual October 2019 00809 0100 4880 52 Emerson com Rosemount ...
Page 72: ...Troubleshoot Reference Manual October 2019 00809 0100 4880 72 Emerson com Rosemount ...
Page 74: ...Return material Reference Manual October 2019 00809 0100 4880 74 Emerson com Rosemount ...
Page 84: ...Replacement parts Reference Manual October 2019 00809 0100 4880 84 Emerson com Rosemount ...