Teledyne 9110EH - Nitrogen Oxides Analyzer - Manual (Page 36)

Getting Started Model 9110EH Instruction Manual
Name Color Behavior Significance
STATUS LEDs
Sample Green On
Unit is operating in sample mode, front panel
display is continuously updated.
Cal Yellow Off The instrument’s calibration is not enabled.
Fault Red Blinking The analyzer is warming up and out of
specification for a fault-free reading.
3.5.3. Warning Messages
During warm-up, internal temperatures and other parameters may be outside of specified
limits. The software will suppress most warning conditions for 30 minutes after power up.
The following table includes a brief description of the various warning messages that may
appear after the warm-up time. If warning messages persist after 30 minutes, investigate
their cause using the troubleshooting guidelines in Chapter 11. To view and clear warning
messages, use the following key strokes:
SAMPLE
HVPS WARNING NOX = 0.0
TEST CAL
MSG CLR SETUP
Press CLR to clear the current
message.
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=500.0 PPB NO = 0.0
< TST TST > CAL
MSG CLR SETUP
SAMPLE HVPS WARNING NOX = 0.0
TEST CAL
MSG CLR SETUP
TEST deactivates warning
messages
MSG activates warning
messages.
> keys replaced with
TEST key
NOTE:
If the warning message persists after several attempts to
clear it, the message may indicate a real problem and not
an artifact of the warm-up period
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