03 Series Operator’s Manual
Maintenance • 64
Replacing the Batteries
WARNING: To prevent ignition of a hazardous atmosphere, batteries
must only be changed in an area known to be
nonhazardous.
Replace the batteries when the battery icon indicates that
the unit is in low battery warning. When in low battery
warning, only one battery level indication bar is displayed in
the battery icon on the LCD, and this icon will be flashing.
“FAIL” displays
during span
adjustment.
• The calibration
value may not
match the cylinder
gas concentration.
• 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outdated.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 may
need replacement.
1. Check all calibration tubing
for leaks or for any bad
connections.
2. Make sure the 03 Series
has been properly set up
for calibration.
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.
“SYSTEM FAIL” is
displayed on the
LCD
• A microprocessor
failure has
occurred.
1. Turn off the unit and turn it
on again.
2. If difficulties continue,
contact RKI Instruments,
Inc.
Table 7: Troubleshooting the 03 Series
Symptoms
Probable Causes
Recommended Action
