RKI Instruments GX-2003 Manual - Manual (Page 75)

GX-2003 Operator’s Manual Overview • 68
Chapter 7: Maintenance
Overview
This chapter describes troubleshooting procedures for the GX-2003. It
also includes procedures for recharging the battery pack and
replacing various consumable parts.
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 GX-2003.
Table 6: Troubleshooting the GX-2003
Symptoms
Probable
Causes
Recommended Action
• The LCD is blank. • The unit may
have been turned
off.
• The alkaline
batteries may
need to be
replaced or the
Ni-MH battery
pack recharged.
1. To turn on the unit, press and
briefly hold the POWER
ENTER button.
2. If the unit does not turn on,
replace the alkaline batteries
or recharge the Ni-MH battery
pack.
3. If the difficulties continue,
contact RKI Instruments, Inc.
for further instruction.
• Display indicates
“Circuit Trouble”
during startup.
• A circuit fault has
occurred on one
of the PCB’s.
• Contact RKI Instruments, Inc.
for further instruction.
• The LCD shows
abnormally high or
low readings but
other gas
detection
instruments do
not.
• The GX-2003
may need to be
recalibrated.
• The sensor for
the affected
channel(s) may
need
replacement.
1. Recalibrate the unit.
2. If the difficulties continue,
replace the sensor for the
affected channel(s) and
calibrate the affected
channel(s).
3. If the difficulties continue,
contact RKI Instruments for
further instruction.