14 Troubleshooting
14.1 Fault table
Further fault
Cause and elimination
When the electronic unit is
switched on, the following
alarms are displayed:
o
8.07 Alarm. Max.
flow A exceeded.
Check pick up!
o
8.10 Alarm. Analog
output 1 or 2 scaling
exceeded!
o
8.11 Alarm. Change
of direction A
exceeded, check 30/
s signals!
o
8.12 Alarm. Change
of direction B
exceeded, check 30/
s signals!
o
8.21 Alarm. Max.
flow B exceeded.
Check pick up!
o
Use a power pack 24 V DC 15 W or insert a debounced switch between the electronic unit and
power pack.
o
Shield the lines to the pick ups and terminate the shield to Gnd (chassis) or ground.
POWER FAIL no
counting
Falls below supply voltage 17.5 V
Keyboard background
illumination flashes.
There is an input error.
o
+
Press simultaneously.
-> The existing errors are displayed.
o
Eliminate errors.
Overflow of the total value After an overflow of the total value the electronic unit displays the following:
o
For 3 decimal places:
±1 999 999,999
o
For 1 decimal place:
±199 999 999,9
o
Specify another unit for total, e.g. m
3
instead of l. After the modification, the total value is still avail-
able after the overflow.
o
Reduce the number of decimal places.
Operating instructions
OIE 12en-GB Edition 2020-03
41