Teledyne GFC7000EU Manual page 5

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