Prosonic M - FOUNDATION Fieldbus Troubleshooting
Endress+Hauser 61
7.1.3 Types of error
7.1.4 Error codes
Type of error Symbol Meaning
Alarm (A)
continuous
The output signal assumes a value which can be set using the "output
on alarm" (010) function:
• MAX: 110%
•MIN: -10%
• Hold: last value is on hold
• User-specific value
Warning (W)
flashing
The device continues measurement. An error message is displayed.
Alarm/Warning (E) You can define whether the error should behave as an alarm or as a warning.
Code Error description Action
A102
A110
A152
A160
checksum error Reset;
If alarm still present after reset, replace electronics
W103 initialising If the message does not disappear after several seconds, replace the electronics
A106 downloading Wait; Message disappears after load sequence
A111
A113
A114
A115
A121
A125
A155
A164
A171
electronics defect Reset;
Check system for EMC, improve as necessary
If alarm still present after reset, replace electronics
A116 download error Check connection; Restart download
W153 initialising Wait a few seconds; if error is still displayed, switch the power off and on again
A231 sensor defect Check connection, if necessary replace HF module or electronics
A281 interruption temperature
sensor
Exchange sensor
A502 Sensor type not detected Exchange sensor and/or electronics
A512 recording of mapping Alarm disappears after a few seconds
A521 new sensor type detected Reset
W601 linearisation curve not
monotone
Correct table (enter monotonously increasing table)
W611 less than 2 linea-risation
points
Enter additional value pairs
W621 simulation on Switch simulation mode off ["output" (06) function group, "simulation"
(065) function]]
E641 no usable echo Check basic calibration
E651 level in safety distance -
risk of overspill
Error disappears when the level leaves the safety distance. Possibly reset the
lock. ["safety settings" (01) function group, "ackn. alarm" (017) function]]
A661 Sensor overtemperature
A671 Linearisation incomplete Activate linearisation table
W681 current out of range Carry out basic calibration; check linearisation