AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B 329
No. Text S A
F Reaction/Remark
411 The analyzer is in standby. Re-
activation in menu: Ser-
vice/Test..Standby/Restart FID.
x x Restart Fidas24.
412 Ignition failed. Analyzer must
be manually reactivated. Reac-
tivation in menu: Mainte-
nance/Test..Standby/Restart
FID.
x x Check operating gases.
Restart Fidas24.
413 Auxiliary voltage failure in the
analyzer hardware.
x x Notify Service.
414 The controller output value is
out of the permissible range. (<
20%)
x x Check operating gases and connection lines.
Restart Fidas24 if necessary.
Notify Service.
415 The controller output variable is
out of the permissible range. (>
90%)
x x Check operating gases and connection lines.
Restart Fidas24 if necessary.
Notify Service.
Calibration
500 System bus communication
faulty.
501 Requested function is not
available on the system mod-
ule.
Check the analyzer module software version and per-
form an update if needed.
502 A system error occurred in the
system module concerned.
The calibration is interrupted.
Notify Service.
503 Amplification error during cali-
bration. Calibration impossible.
x The calibration is interrupted.
Span gas concentration too low – check.
507 A combination of the following
errors occurred: Half Drift Lim-
it, Drift Limit, Amplification or
Delta Drift.
508 Unknown error number. Check
software versions.
Message during the automatic calibration. Check ana-
lyzer module and system controller software versions.
509 Automatic calibration started. For information
510 Automatic calibration ended. For information
511 Automatic calibration inter-
rupted externally.
For information
512 Automatic calibration in pro-
gress.
x For information; not logged
513 System bus communication
faulty during automatic cali-
bration.
514 External calibration started. For information
515 External calibration ended. For information
516 External calibration in progress x For information; not logged
517 Device being serviced. x For information, e.g. during manual calibration, not
logged
518 The calibration could not be
performed, because the meas-
ured value is not stable.
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