Endress+Hauser Proline Promag 55 PROFIBUS PA, Operating Instructions Manual

Page: 109 / 138

Proline Promag 55 PROFIBUS PA Troubleshooting
Hauser 109
9.3 Process error messages
!
Note!
Also observe the information on
→
Page 63 and Page 110.
9.3.1 Displaying the device status on PROFIBUS
For more information, refer to
→
Page 103
9.3.2 List of process error messages
No. Device status message
(local display)
PROFIBUS measured value status
Extended
diagnostic
message in the
PROFIBUS
master
Cause/remedy
Qu
a
lit
y
cod
e
(
H
E
X
)
M
e
as
ure
d
val
u
e
s
tatus
Q
u
al
it
y s
tatus
Q
u
al
it
y
s
ubstatus
Li
m
its
P = Process error
$
= Fault message ( with and effect on operation)
! = Notice message ( without an effect on operation)
401 P: EMPTY PIPE
$
: # 401
0x03 BAD Non specific
(uncertain
status)
Constant Empty Pipe
detected Cause:
Measuring tube partially filled or empty.
Remedy:
1. Check the process conditions of the plant.
2. Fill the measuring tube.
461 P: ADJ. NOT OK
!: # 461 0x40
0x41
0x42 UNCERT
AIN
Non specific
(uncertain
status)
O.K.
Low
High
EPD adjustment
not possible Cause:
EPD adjustment not possible because the fluid's
conductivity is either too low or too high.
Remedy:
The EPD function cannot be used with fluids of this
nature.
463 P: FULL = EMPTY
$
: # 463
0x40
0x41
0x42 UNCERT
AIN
Non specific
(uncertain
status)
O.K.
Low
High
EPD adjustment
wrong Cause:
The EPD calibration values for empty pipe and full pipe
are identical and therefore incorrect.
Remedy:
Repeat adjustment, making sure procedure is correct.
→
Page 96
467 S: AO-Block Error
$
: # 467
0x0F BAD Device
Failure Constant AO-Block Error Cause:
The value imported cyclically using the AO block is
invalid (status = BAD).
Remedy:
Ensure that the status of the imported value = GOOD.
Process variables affected
– calculated mass flow
– target mass flow
– % target mass flow
– carrier mass flow
– % carrier mass flow
– totalizer (mass)