Teledyne 2120XL - Trace Nitrogen Analyzer - Manual (Page 80)

Maintenance Model 2120XL
Teledyne Analytical Instruments 68
5.5 Error Screens
Additional errors are indicated by a flashing ‘E’ at the upper right
corner of the analyzer display screen.
If 'E' is flashing in the upper right hand corner, the instrument has
detected an error. Go to menu item 'Err' and press ENTER. If there are
errors, they will be listed on the screen'.
Use the UP/DOWN to scroll through the errors. Press ENTER to
dispatch the current error. If the error condition still persists, the flashing
‘E’ will return.
Any of the following errors will cause the system alarm to trigger.
These are non-latching so when all alarms have been dispatched (if
possible), the system alarm will be cease.
LED Display Error 0x0001
"LED Display Error "
This indicates a problem with the LED interface. Contact TAI
Flow Error 0x0002
"Flow Error "
Flow control system has problems and cannot control the flow.
This may be a temporary self-correcting error. If it persists, contact TAI.
Negative Flow Error 0x0004
"Neg. Flow Adc Error "
The flow sensing system has a problem. This may be a temporary
self-correcting error. If it persists, contact TAI.
Zero Fail 0x0020
"Zero Fail "
The auto-settled zero calibration could not be completed within 1/2
hour. This indicates most likely that the input signal is too noisy.
SysTest5V 0x0080