OX-04 Operator’s Manual
Chapter 6: Maintenance
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Replacing the Batteries (Alkaline or Ni-MH)
WARNING: To prevent ignition of a hazardous atmosphere, batteries must only be changed in
an area known to be nonhazardous.
AVERTISSEMENT: Pour éviter l'inflammation d'une atmosphère dangereuse, la batterie ne
doit être remplacée que dans une zone non dangereuse.
WARNING: Use only Duracell MN2400 or PC2400 or Eneloop BK-4MCC batteries to
maintain the QPS classification of the OX-04. Use of other batteries will void the
QPS classification and may void the warranty. Do not mix old/new or different
types of batteries.
AVERTISSEMENT: Utiliser uniquement des piles Duracell MN 2400 ou PC 2400 ou
Eneloop BK-4MCC de maintenir la classification QPS de la OX-04.
L’utilisation d’autres piles annule la classification QPS et peut annuler
la garantie. Ne mélangez pas les anciennes/nouvelles ou différents types
de piles.
Replace the batteries when the last bar in the battery icon is flashing.
1. Make sure the OX-04 is off.
• Calibration fails.
• The calibration value does
not match the cylinder gas
concentration.
• The sample gas is not
reaching the sensor because
of a bad connection.
• The calibration cylinder is
out of gas or is outdated.
• The sensor needs
replacement.
1. Make sure the OX-04 has been
properly set up for calibration.
2. Check all calibration tubing for
leaks or for any bad connections.
3. Verify that the calibration cylinder
contains an adequate supply of fresh
test sample.
4. If the fail condition continues,
replace the sensor.
5. If the difficulties continue, contact
RKI Instruments, Inc. for further
instruction.
• Heart symbol at the
top of the screen
becomes steadily on
or disappears.
• A microprocessor error has
occurred.
• Contact RKI Instruments, Inc. for
further instruction.
Table 12: Troubleshooting the OX-04
Symptoms
Probable Causes
Recommended Action
