RKI Instruments GasWatch 2 Manual - Manual (Page 29)

GasWatch 2 Operator’s Manual Maintenance • 24
Maintenance
This section describes troubleshooting procedures for the GasWatch 2. It
also describes how to change the GasWatch 2’s battery as well as how to
replace the sensor cover and gas sensor.
WARNING: RKI Instruments, Inc. recommends that service,
calibration, and repair of RKI instruments be performed
by personnel properly trained for this work. Replacing
sensors and other parts with original equipment does not
affect the intrinsic safety of the instrument.
Troubleshooting
The troubleshooting table describes error messages, symptoms, probable
causes, and recommended action for problems you may encounter with
the GasWatch 2.
Table 5: Troubleshooting the GasWatch 2
Symptoms
Probable
Causes
Recommended Action
• The LCD is
blank.
• The unit may
have been
turned off.
• The battery
may need to
be replaced.
1. To turn on the unit, press
and hold the MODE/
POWER button.
2. If the unit does not turn on,
replace the battery.
3. If the difficulties continue,
contact RKI Instruments,
Inc. for further instruction.
• The LCD shows
abnormally high
or low readings
but other gas
detection
instruments do
not.
• The unit may
need to be
recalibrated.
• The sensor
may need
replacement.
1. Recalibrate the unit.
2. Replace the sensor and
calibrate the unit.
3. If the difficulties continue,
contact RKI Instruments for
further instruction.