RKI Instruments GX-2012 Manual - Manual (Page 152)

144 • Troubleshooting GX-2012 Operator’s Manual
• Display indicates
“FAIL SYSTEM”
during startup
along with an error
code.
• A circuit fault has
occurred on one
of the PCB’s.
1. If the error code is 031,
indicating a FLASH memory
failure, press and release the
RESET SILENCE button to
continue to measuring mode
keeping in mind that there will
be no datalogging function.
2. If the error code is anything
else, the instrument cannot be
used.
3. Contact RKI Instruments, Inc.
for further instruction if either
1 or 2 occur.
• Display indicates
“FAIL CLOCK”
during startup.
• An internal clock
failure has
occurred
because the date
in the unit’s
memory is not a
valid date.
1. Enter normal operation by
pressing and releasing the
RESET SILENCE button to
use the unit temporarily.
2. Attempt to set the date in the
DATE menu item in
Maintenance Mode.
3. If you cannot set the date,
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.
• The LCD shows
abnormally high or
low readings but
other gas
detection
instruments do
not.
• The LEL or CO
filters may need
to be replaced
• The GX-2012
may need to be
recalibrated.
• The sensor for
the affected
channel(s) may
need
replacement.
1. If the abnormal reading is on
the LEL channel, replace the
LEL filter. If the abnormal
reading is on the CO channel,
replace the charcoal filter.
2. Recalibrate the unit.
3. If the difficulties continue,
replace the sensor for the
affected channel(s) and
calibrate the affected
channel(s).
4. If the difficulties continue,
contact RKI Instruments for
further instruction.
Table 8: Troubleshooting the GX-2012
Symptoms
Probable
Causes
Recommended Action