RKI Instruments 65-2484RK-06 - Manual (Page 18)

14 • 65-2484RK-06 Multi Point Detector
Troubleshooting
The troubleshooting guide describes symptoms, probable causes, and recommended
action for problems you may encounter with the multi-point detector.
NOTE: This troubleshooting guide describes multi-point detector problems only. See the
controller operator’s manual for problems you may encounter with the
controller.
Table 2: Troubleshooting the Multi-Point Detector
Condition Symptom(s) Probable Causes Recommended Action
Fail Condition Controller indicates a
fail condition. • The detector wiring is
disconnected or
misconnected.
• The O
2
, H
2
S, or SO
2
plug-in sensor is not
properly plugged into
the sockets in the
detector housing body.
• The detector’s zero
reading is low enough
to cause a fail
condition.
• The detector is
malfunctioning.
1. Verify that the detector wiring is
correct and secure.
2. Confirm that the O
2
, H
2
S, or SO
2
plug-in sensor is installed properly.
3. Perform a zero adjustment. A full
calibration is recommended.
4. If the fail condition continues, replace
the O
2
, H
2
S, or SO
2
plug-in sensor as
described later in this section.
5. If the fail condition continues, contact
RKI for further instruction.
Slow or No
Response/
Difficult or
Unable to
Calibrate • Detector responds
slowly or does not
respond to response
test.
• Unable to accurately
set the zero or
response reading
during calibration.
• Detector requires
frequent calibration.
Note: Under “normal”
circumstances, the
transmitter requires
calibration once every 3
months.
Some applications
may require a more
frequent calibration
schedule.
• The calibration cylinder
is low, out-dated, or
defective.
• The flame arrestor on
the LEL detector or in
the O
2
, or H
2
S detector
housing cap is wet or
clogged with dirt or
other particulates.
• The calibration gas is
not an appropriate
concentration.
• The detector is
malfunctioning.
1. Verify that the calibration cylinder
contains an adequate supply of a
fresh test sample.
2. Check the LEL detector or detector
housing cap to determine if the flame
arrestor is wet or dirty. Check the
sensor face of the SO
2
plug-in sensor
to determine if it is wet or dirty. Clean
if necessary.
3. Verify that the calibration gas
concentration is appropriate for each
detector.
4. If the calibration/response difficulties
continue, replace the LEL detector or
the O
2
, H
2
S, or SO
2
plug-in sensor as
described later in this section.
5. If the calibration/response difficulties
continue, contact RKI for further
instruction.