65-2462RK Hydrogen Transmitter • 13
10. If necessary, use a small flat-blade screwdriver to adjust the zero pot until the voltmeter reading is
100 mV (±2 mV).
11. Turn the regulator knob clockwise to close the regulator.
12. Unscrew the regulator from the calibration cylinder.
13. Unscrew the calibration cup from the bottom of the detector.
14. Remove the voltmeter leads from the test points.
15. Secure the junction box cover to the junction box.
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
hydrogen transmitter. It includes daily and quarterly procedures.
Daily
Verify a display reading of 0 %volume at the controller. Investigate significant changes in the display
reading.
Quarterly
Calibrate the hydrogen transmitter as described in “Calibration” on page 16 of this manual.
Troubleshooting
The troubleshooting guide describes symptoms, probable causes, and recommended action for
problems you may encounter with the hydrogen transmitter.
NOTE:
This troubleshooting guide describes transmitter problems only. See the controller operator’s
manual for problems you may encounter with the controller.
Table 2:Troubleshooting the Hydrogen Transmitter
Condition
Symptom(s)
Probable Causes
Recommended Action
Fail
Condition
• Controller
indicates a fail
condition.
• The transmitter
wiring is
disconnected or
misconnected.
• The transmitter’s
zero reading is low
enough to cause a
fail condition.
• The transmitter is
malfunctioning.
1. Verify that the transmitter wiring
is correct and secure.
2. Calibrate the transmitter.
3. If the fail condition continues,
replace the detector.
4. If the fail condition continues,
contact RKI for further
instruction.
