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MODEL GFC7000EU CO ANALYZER WITH AUTO-REFERENCE
(Addendum to GFC7000E Manual PN 04584)
05134 Rev -
5
SAMPLE WHEEL TEMP WARNING CO = XX.XX
TEST
CAL MSG CLR SETUP
Make
SURE
warning
messages are
NOT
due to
LEGITIMATE PROBLEMS.
.
Press
CLR
to clear the
message currently being
Displayed.
If more than one warning is
active the next message will
take its place
Once the last warning has been
cleared, the analyzer returns to
SAMPLE
Mode
SAMPLE
RANGE=50.0 PPM
CO = XX.XX
< TST TST > CAL
MSG
CLR SETUP
SAMPLE
WHEEL TEMP WARNING
CO = XX.XX
< TST TST > CAL MSG
CLR
SETUP
TEST
deactivates Warning
Messages until New warning(s)
are activated
MSG
activates Warning
Messages.
<TST TST
> keys replaced with
TEST
key
All Warning messages are hidden,
but
MSG
button appears
Figure: Viewing and Clearing Warning Messages
NOTE: A failure of the analyzer’s CPU or Mother Board can result in any or ALL of the
following messages.
Table: Warning Messages
Warning
Message
Fault Condition
Possible Causes
BENCH TEMP
WARNING
The optical bench
temp is controlled at
48 ± 5
°
C.
Bench Heater
Bench Temperature Sensor
Relay controlling the Bench Heater
Entire Relay Board
I
2
C Bus
BOX TEMP
WARNING
Box Temp is < 5
°
C
or > 48
°
C.
Box Temperature typically runs ~7
o
C warmer than
ambient temperature.
Poor/blocked ventilation to the analyzer.
Stopped Exhaust-Fan
Ambient Temperature outside of specified
range
CANNOT DYN
SPAN
Dynamic Span
operation failed
Measured concentration value is too high or
low.
Concentration Slope value to high or too low
CANNOT DYN
ZERO
Dynamic Zero
operation failed
Measured concentration value is too high.
Concentration Offset value to high
CONFIG
INITIALIZED
Configuration and
Calibration data
reset to original
Factory state.
Failed Disk on Chip
User erased data
DATA
INITIALIZED
Data Storage in
iDAS was erased
Failed Disk on Chip
User cleared data