9 Trouble-shooting PROline Prosonic Flow 93 PROFIBUS-DP/-PA
132 Endress+Hauser
Interference CH1 P INTERFERENCE CH1
! # 495
495 non specific UNCERTAIN
0x43
constant
Cause:
The pipe transmitted wave may
superpose the signal. We
recommend you alter the sensor
configuration in the event of this
error message.
" Caution!
A change of the sensor configura-
tion is required if the measuring
device indicates zero or low flow.
Remedy:
– In the SENSOR
CONFIGURATION function,
change the number of traverses
from 2 or 4 to 1 or 3 and mount
the sensors accordingly.
Interference CH2 P INTERFERENCE CH2
! # 496
496
Positive zero return
active CH1
S POS. 0-RET CH1
! # 602
602 sensor conversion not
accurate
(measured value from
sensor not accurate)
UNCERTAIN
0x53
constant
Cause:
System error
Positive zero return channel 1
active
Remedy:
Switch off positive zero return
• PROFIBUS (Commuwin II):
Manufacturer-specific
Transducer Block
Device
matrix CH1/CH2 (V8H3)
• Local display:
BASIC FUNCTIONS
SYSTEM PARAMETER
CONFIGURATION
POSITIVE
ZERO RETURN (
OFF)
Positive zero return
active CH2
S POS. 0-RET CH2
! # 603
603
Positive zero return
active CH1&2
S POS. 0-RET CH1&2
! # 604
604 sensor conversion not
accurate
(measured value from
sensor not accurate)
UNCERTAIN
0x53
constant
Cause:
System error
Positive zero return channel 1+2
active.
Remedy:
Switch off positive zero return
• PROFIBUS (Commuwin II):
Manufacturer-specific
Transducer Block
Device
matrix CH1+CH2 (V8H3)
• Local display:
BASIC FUNCTIONS
SYSTEM PARAMETER
CONFIGURATION
POSITIVE
ZERO RETURN (
OFF)
Device status and
diagnosis message
(Control system)
Device status message
(Display)
No. Initial status
Analog Input Block/
Totalizer Block
Measured
value Quality /
Substatus /
Alarm limit
Cause/remedy