Endress+Hauser PROline prosonic flow 93 Operating Instructions Manual page 134

9 Trouble-shooting
Device status and Device status message
diagnosis message (Display)
(Control system)
Zeropoint adjustment P
$
is not possible
No communication to –
amplifier
134
No.
0-ADJ. FAIL CH2 744
# 744
–
PROline Prosonic Flow 93 PROFIBUS-DP/-PA
Initial status Measured
Analog Input Block/ value Quality /
Totalizer Block Substatus /
Alarm limit
non specific UNCERTAIN
0x40
no limits
device failure BAD
0x0F
constant
Cause/remedy
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
o
flow" only (v = 0 m/s)
Page 113.
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
o
their holders Page 138
Endress+Hauser