170 EL3000 CONTINUOUS GAS ANALYZERS | OI/EL3000-EN REV. D
… 12 Diagnosis / Troubleshooting
… Possible status messages
W
The measured value exceeds the value range of the
analog/digital
Notify Service.
A calculation error occurred while calculating the measured value.
A
The temperature of the detector falls below the minimum
temperature.
Status message during the warm-up phase. If the status message
occurs after the warm-up phase: check fuse and replace, if
A
Status message during the warm-up phase. If the status message
occurs after the warm-up phase: check process gases, check glow
A
The analyzer is currently in the fail
-safe status. Causes: flame temperature > Detector set point + 220 °C, hardware
errors, Pt-100 line break or short-circuit.
Switch power supply off and back on after ≥ 3
message recurs, notify Service.
Note
Fail-safe status:
Heater off, combustion gas valve closed, instrument air valve
closed, housing purging on, zero gas valve open.
W
The temperature exceeds or falls below the top or bottom limit value
1.
Status messages during the warm-up phase. If the status message
occurs after the warm-up phase: check whether the permissible
ambient temperature range is observed. Check the connection
leads and connectors. Check the fit of the leads in the wire end
ferrules. Check the overheating protection in the analyzer module
and replace it if necessary.
W
The temperature exceeds or falls below the top or bottom limit value
2.
A
No new measured values from the analog/digital converter.
Notify Service.
A
The measured value exceeds the value range of the analog/digital
converter.
Notify Service.
A
A calculation error occurred while calculating the measured value.
Notify Service.
W
-scales or down-scales the top or bottom limit value
Fidas24: Check process gas pressures.
W
-scales or down-scales the top or bottom limit value
Fidas24: Check process gas pressures.
The position value of the flow controller is outside the valid area.
Fidas24: Check process gas pressures.
W
-scales the limit value 1. Check sample conditioning.
Limit value 1 = 25 % MBU.
A
-scales the limit value 2. Check sample conditioning.
Limit value 2 = 10 % MBU.
The automatic calibration has been interrupted and blocked.
A
Limas Motor Optimization is running.
If the status message is pending for more than 5 minutes, the filter
wheel is blocked. Notify Service.