RKI Instruments Pioneer 4W - Manual (Page 92)

Oxygen Transmitter • 16 Pioneer Operator’s Manual (PRELIMINARY)
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 oxygen transmitter. It includes daily, monthly, and quarterly
procedures.
Daily
1. Verify that the pilot light on the applicable analyzer card is flashing. If the pilot light is
not flashing, see the following troubleshooting guide in this insert.
NOTE: If the Pioneer’s main PILOT light is not on, see the Troubleshooting guide in
Chapter 5, Maintenance.
2. Verify a display reading of 20.9 %VOL. Investigate significant changes in the display
reading.
Monthly
This procedure describes a test to verify that the oxygen transmitter responds properly to
oxygen deficiency.
Preparing for the response test
1. Set a voltmeter to measure in the millivolt (mV) range.
2. Remove the junction box cover, then plug the voltmeter leads into the test points on
the amplifier. Plug the positive lead into the test point labeled
TP+ ; plug the negative
lead into the test point labeled TP- .
3. At the Pioneer, verify that the display reading(s) for the channel(s) you plan to test is
20.9.
If the display reading(s) is not 20.9, set the fresh air reading of the applicable
transmitter(s) as described in the Start Up section of this insert, then continue this
procedure.
Entering the Calibrate program
1. Open the Pioneer’s housing door, and locate the program buttons to the right of the
display screen.
2. Press the ENTER and UP/YES button simultaneously three times.
The Calibrate program screen appears.
NOTE: Once you enter the Calibrate program, the status lights, buzzer, and relays are
disabled until you exit the Calibrate program.
The Pioneer automatically exits the Calibrate program if you do not exit the
program before the calibration time-out setting expires. You can display and
change the settings in the Instrument Setup program (see Chapter, Operation.)
A N Y T O H E R E K Y
V e r s i o n X . X X
C a l i r a t e b
E S C A E A b o r t P
N e x t