CM42-MAA101EBE00 Diagnostics, troubleshooting
Endress+Hauser 21
320 Glass imp. too high warning M
Sensor check system warning
– Check glass electrode for breakage and hairline cracks
– Check medium temperature
321 Ref. imp. too high warning M
Sensor check system warning
– Check reference electrode for contamination/clogging
– Replace reference or combined electrode
322 Meas. value out of range S
Process limit value undershot alarm
Possible reasons:
– Sensor in air
– Air cushion in assembly
–Sensor defective
– Increase the process value
– Check the measuring system
– Change sensor type
380 Comm. module defect F
381 Comm. module incomp F
404 Lower limit current output S – Measured value outside the specified current range
– Check plausibility
– Adapt the current output limits (Setup/current output.../Low value
(4mA) or Upper value (20mA))
405 Upper limit current output S
406 SETUP active C End parameter entry
407 DIAG active C End query of device and sensor information
408 Calibration aborted M Renew calibration solution, repeat calibration
409 Sensor change C Sensor change active
501 Device open M Close the housing and tighten the screws.
513 Device alarm ([%V%S]) F Contact the Service Team! Quote the error number and the text
displayed.
([%V%S]) here stands for the text actually displayed.
514 Device warning ([%V%S]) M
530 [%V%S] : 20 % remain
1)
S The ring memory of the logbook is almost full.
531 [%V%S] : full S
The ring memory of the logbook is full. From now on, new events will
overwrite the oldest entries.
532 Calibration timer expired M
The counter for the Cal Timer has reached its limit. Perform a
calibration. This resets the counter.
802 PCS Alarm F Stagnant measured values
810 PV upper limit alarm F – Measuring line disconnected
– Sensor in air
– Air cushion in assembly
– Check the measuring chain
– Potential matching missing for symmetrical measurement
PV = primary value (main value)
811 PV lower limit alarm F
812 Temperature out of range F
840 PV upper limit warning M – Sensor in air
– Air cushion in assembly
– Check the measuring chain
841 PV lower limit warning M
No. Display text Cat. Tests and/or remedial measures
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