RKI Instruments GX-2009 Manual - Manual (Page 60)

55 • Maintenance GX-2009 Operator’s Manual
Recharging the GX-2009’s NiMH Batteries
WARNING: To prevent ignition of a hazardous atmosphere, batteries
must only be changed or charged in an area known to be
nonhazardous.
CAUTION: Use with RKI NiMH battery set 49-1609RK. Charge only with
RKI AC charger p/n 49-2170RK-0X (where X = 1, 2, 3, 4, or 5)
or RKI DC charger 49-2171RK. Use of other rechargeable
batteries or chargers or charging of other rechargeable
batteries in the GX-2009 will void the warranty.
1. Verify that the GX-2009 is off.
2. Confirm that the adapter’s DC output cord is plugged into the charger. If
a multi-instrument charging station is being used, the same AC adapter
is used as for the single instrument charging station.
• “FAIL” displays
during span
adjustment in
AUTO CAL or
unable to set the
response
readings during
span adjustment
in ONE CAL.
• The AUTO CAL
calibration gas values
may not match the
cylinder gas
concentrations. (AUTO
CAL only)
• The H
2
S removal filter
disk over the
combustible sensor or
the charcoal filter disk
over the CO sensor are
saturated.
• The sample gas is not
reaching the sensor
because of a bad
connection
• The calibration cylinder
may be out of gas or is
outdated.
• The sensor for the
affected channel(s) may
need replacement.
1. Confirm that the AUTO
CAL calibration gas values
match the calibration gas
cylinder.
2. Change H
2
S removal filter
disk and/or the charcoal
filter disk.
3. Check all calibration tubing
for leaks or for any bad
connections.
4. Verify that the calibration
cylinder contains an
adequate supply of fresh
test sample.
5. If the fail condition
continues, replace the
sensor(s).
6. If the difficulties continue,
contact RKI Instruments,
Inc. for further instruction.
Table 6: Troubleshooting the GX-2009
Symptoms Probable Causes Recommended Action