Process Error Messages; List Of Process Error Messages - Endress+Hauser Proline t-mass 65 Operating Instructions Manual

Trouble-shooting
!
MODBUS communication
Register: Register:
6859 6821
Data type: Data type:
Integer 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.
1 SYSTEM OK
59 FLOW LIMIT
62 FL TEMP UNST.
64 FLOW EXT
65 ZERO-ADJ. N.OK
74
9.3

Process error messages

Note!
Also observe the information on the following pages: → Page 40 and → Page 68
9.3.1

List of process error messages

No. Device status message
(local display)
P = Process error
$ = Fault message (with an effect on the current operation)
! = Notice message (without any effect on the current operation)
- There is no error present in the device
422 P: FLOW LIMIT
$: # 422
432 P: FL. TEMP UNST.
$: # 432
435 P: FLOW EXT
!: # 435
451 P: ZERO-ADJ. N.OK
$: # 451
Cause Remedy / spare part
The measured flow has Reduce the flow rate or replace the instrument
exceeded the maximum limit. with a suitable size for the application.
!
Error can be configured as a fault or notice
message.
The gas temperature is Stabilize process conditions or relocate the
unstable. Measurement errors instrument to a more stable measuring location.
may have occured.
The flow is measured using Resume normal operation (accuracy of device
extendend mode (beyond maybe affected) or reduce the flow rate.
calibration).
The saved zero point is Stabilize process conditions or relocate the
inaccurate possibly due to instrument to a more stable measuring location.
unstable process or flow
conditions.
Proline t-mass 65 MODBUS RS485
Note!