Proline Promag 53 MODBUS RS485 Troubleshooting
Endress+Hauser 97
9.2 System error messages
Serious system errors are always recognized by the instrument as "Fault message", and are shown
as a lightning flash ($) on the display. Fault messages immediately affect the inputs and outputs.
Simulations and positive zero return, on the other hand, are classed and displayed as "Notice
messages".
"
Caution!
In the event of a serious fault, a flowmeter might have to be returned to the manufacturer for repair.
Important procedures must be carried out before you return a flowmeter to Endress+Hauser.
→ ä 115
Always enclose a duly completed "Declaration of contamination" form. You will find a preprinted
blank of this form at the back of this manual.
!
Note!
• The error types listed in the following correspond to the factory settings.
• See the information on → ä 60
MODBUS No. Device status message
(local display)
Cause Remedy (spare part → ä 107)
Register:
6859
Data type:
Integer
Register:
6821
Data type:
String (18 byte)
Response to a fault message:
The value "NaN" (not a number) is
transmitted to the MODBUS master
instead of the current measured value.
Depicted on the local display:
S = System error
$ = Fault message (with an effect on the inputs and outputs)
! = Notice message (without any effect on the inputs and outputs)
1SYSTEM OK - There is no error present in the device
No. # 0xx → Hardware error
2 CRITICAL FAIL. 001 S: CRITICAL FAILURE
$: # 001
Serious device error. Replace amplifier board.
3 AMP HW EEPROM 011 S: AMP HW EEPROM
$: # 011
Amplifier:
faulty EEPROM.
Replace amplifier board.
4AMP SW EEPROM012 S: AMP SW EEPROM
$: # 012
Amplifier:
Error accessing EEPROM data.
The EEPROM data blocks in which an error has
occurred are displayed in the
"TROUBLESHOOTING" function (No. 8047).
Press Enter to acknowledge the errors in question;
default values are automatically inserted instead of
the faulty parameter values.
!
Note!
The measuring device must be restarted after fault
elimination.
11 SENSOR HW DAT 031 S: SENSOR HW DAT
$: # 031
Sensor DAT:
1. S-DAT is defective.
2. S-DAT is not plugged into
the amplifier board or is
missing.
1. Check whether the S-DAT is correctly plugged
into the amplifier board.
2. Replace the S-DAT if it is defective.
Check that the new replacement DAT is
compatible with the measuring electronics.
Check the:
–Spare part set number
– Hardware revision code
3. Replace measuring electronics boards if
necessary.
4. Plug the S-DAT into the amplifier board.
12 SENSOR SW DAT 032 S: SENSOR SW DAT
$: # 032
Sensor:
Error accessing the adjustment
values stored in the S-DAT.
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