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Chapter 3: Measuring Mode
OX-04 Operator’s Manual
Responding to Battery Alarms
WARNING: The OX-04 is not operational as a gas monitoring device during a dead battery
alarm. Take the OX-04 to a non-hazardous area and replace the batteries as
described in “Replacing the Batteries (Alkaline or Ni-MH)” on page 71.
The OX-04 is fully functional during a low battery warning. However, only a couple of days of
operating time remain. The amount of time depends on LCD backlight use and alarm frequency.
Replace the batteries as described on page 71 as soon as possible.
NOTE:
Alarms and the LCD backlight consume battery power and reduce the amount of
operating time remaining.
Responding to Sensor Failure Alarms
1. Calibrate the sensor as described on page 43.
2. If the sensor failure continues, replace the sensor as described on page 76.
3. If the sensor failure condition continues after replacing the sensor, contact RKI Instruments,
Inc. for further instructions.
Responding to Clock Failure Alarms
A clock failure alarm occurs if the unit’s internal clock malfunctions.
1. Press and release POWER MODE to continue into Measuring Mode.
CAUTION:
There is no datalogging function if you operate the instrument after a clock failure.
2. Attempt to set the date using the
DATE
item in User Mode (see page 67).
3. If the date cannot be set correctly, contact RKI Instruments, Inc. as soon as possible.
Responding to System Failure Alarms
1. If a system failure occurs, the system failure screen displays an error code as shown below:
FAIL
050
CLOCK
FAIL
031
SYSTEM
