Troubleshooting; System Error Messages - Endress+Hauser prosonic M FMU 40 Operating Instructions Manual

Prosonic M FMU 40/41/43 with HART and 4 ... 20 mA
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Troubleshooting

7.1

System error messages

7.1.1 Current error
Errors which the Prosonic M detects during commissioning or operation are displayed:
• In the "measured value" (000) function
• In the "diagnostics" (0A) function group in the "present error" (0A0) function
Only the highest priority error is displayed; in the case of multiple errors, you can scroll
between the different error messages by pressing O or S.
7.1.2 Last error
The last error is displayed in the "diagnostics" (0A) function group in the "previous
error" (0A1) function. This display can be deleted in the "clear last error" (0A2)
function.
7.1.3 Types of error
Type of error Symbol
Alarm (A)
continuous
Warning (W)
flashing
Alarm/Warning (E) You can define whether the error should behave as an alarm or as a warning.
7.1.4 Error codes
Code Error description
A102 checksum error
A110
A152
A160
W103 initialising
A106 downloading
A111 electronics defect
A113
A114
A115
A121
A125
A155
A164
A171
A116 download error
Meaning
The output signal assumes a value which can be set using the
"output on alarm" (010) function:
•
MAX: 110%, 22mA
•
MIN: -10%, 3,8mA
•
Hold: last value is on hold
•
User-specific value
The device continues measurement. An error message is
displayed.
Action
Reset;
If alarm still present after reset, replace electronics
If the message does not disappear after several seconds, replace
the electronics
Wait; Message disappears after load sequence
Reset;
Check system for EMC, improve as necessary
If alarm still present after reset, replace electronics
Check connection; Restart download
Troubleshooting
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