72 AO2000-LS25 LASER ANALYZERS | OI/AO2000-LS25-EN REV. D
… 12 Diagnosis / Troubleshooting
… Error messages
Error messages at the AO2000 central unit
Corresponds to LCD error message
analyzer has a global error.
x
The LS25 analyzer has a maintenance request.
The LS25 analyzer starts measurement.
x
LS25 analyzer detector error #
The beam transmission exceeds the permissible range.
Low transmission
The temperature input signal exceeds the permissible
range.
T out of range
The pressure input signal exceeds the permissible range.
P out of range
No measurement. The detector signal is too low.
The input current loop (4
–20mA) has an error.
x
T-read error, P-read error
This LS25 module is under maintenance.
(Communication with service software via RS232. No measured values
X = Status message sets the overall status
X = Message sets the “Failure” individual status
X = Message sets the “Maintenance Request” individual status
X = Message sets the “Function Check” individual status