Endress+Hauser PROline promag 53 - Page 136

Troubleshooting Promag 53 PROFIBUS DP/PA
136 Endress+Hauser
261 S: COMMUNICAT. I/O
$
: # 261
0x18
0x19
0x1A
BAD No
Communicat
ion
O.K.
Low
High
Communication
failure
Cause:
Communication error. No data reception
between amplifier and I/O board or faulty
internal data transfer.
Remedy:
Check whether the electronics boards are
correctly inserted in their holders
No. # 3xx  System limits exceeded
321 S: TOL. COIL CURR.
$
: # 321
0x0F BAD Device
Failure
Constant Coil current out of
tolerance
Cause:
The coil current of the sensor is out of
tolerance.
Remedy:
#
Warning!
Switch off power supply before manipulating
the coil current cable, coil current cable
connector or measuring electronics boards!
Remote version:
1. Check wiring of terminals 41/42 →  50
2. Check coil current cable connector.
Compact and remote version:
If the error can not be resolved, please contact
your local Endress+Hauser service
organization.
339
to
342
S: STACK CUR OUT n
$
: # 339 to 342
0x0F BAD Device
Failure
Constant Temp. Buf. not
cleared
Cause:
The temporarily buffered flow portions
(measuring mode for pulsating flow) could not
be cleared or output within 60 seconds.
Remedy:
1. Change the upper or lower limit setting, as
applicable.
2. Increase or reduce flow, as applicable.
Recommendation:
– Configure the fault response of the output to
ACTUAL VALUE, so that the temporary
buffer can be cleared.
– Clear the temporary buffer by the measures
described under Item 1.
343
to
346
S: STACK FREQ. OUT n
$
: # 343 to 346
0x0F BAD Device
Failure
Constant Temp. Buf. not
cleared
No. Device status message
(local display)
PROFIBUS measured value status
Extended
diagnostic
message in the
PROFIBUS
master
Cause/remedy
(Spare parts →  146)
Quality code (HEX)
Measured value status
Quality status
Quality substatus
Limits