12 • 65-2435RK CO Transmitter
Maintenance
This section describes maintenance procedures. It includes preventive maintenance,
troubleshooting, and component replacement procedures.
Preventive Maintenance
This section describes a preventive maintenance schedule to ensure the optimum performance
of the CO transmitter. It includes daily and quarterly procedures.
Daily
Verify a display reading of 0 PPM CO at the controller. Investigate significant changes in the
display reading.
Quarterly
Calibrate the CO transmitter as described in the Calibration section of this manual.
Troubleshooting
The troubleshooting guide describes symptoms, probable causes, and recommended action for
problems you may encounter with the CO transmitter.
NOTE:
This troubleshooting guide describes transmitter problems only. See the controller
instruction manual for problems you may encounter with the controller.
Fail Condition
Symptoms
•
The controller indicates a fail condition.
Probable causes
•
The transmitter wiring is disconnected or misconnected.
•
The transmitter’s zero reading is low enough to cause a fail condition.
•
The transmitter is malfunctioning.
Recommended action
•
Verify that the transmitter wiring is correct and secure.
•
Calibrate the transmitter.
•
If the fail condition continues, replace the CO sensor.
•
If the fail condition continues, contact RKI for further instruction.
Slow or No Response/Difficult or Unable to Calibrate
Symptoms
•
Unable to accurately set the zero or response reading during the calibration procedure.
•
The transmitter requires frequent calibration.
