9 Trouble-shooting PROline Prosonic Flow 93 PROFIBUS-DP/-PA
134 Endress+Hauser
Zeropoint adjustment
is not possible
P 0-ADJ. FAIL CH2
$ # 744
744 non specific UNCERTAIN
0x40
no limits
Cause:
Zero point adjustment of channel 2
is not possible or was cancelled.
Remedy:
Make sure that zero point
adjustment is carried out at “zero
flow” only (v = 0 m/s)
Page 113.
No communication to
amplifier
– – device failure BAD
0x0F
constant
Cause:
Communication error. No
communication to the amplifier.
Remedy:
1. Switch power supply off and
then on again
2. Check whether the electronics
boards are correctly inserted in
their holders
Page 138
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