Fault Finding - ABB Kent-Taylor AquaProbe Installation Manual

7

FAULT FINDING

Refer to Fig. 7.1 for fault diagnosis procedure. If a fault is found which cannot be resolved using the procedure detailed in Fig. 7.1,
return the AquaProbe Transmitter to The Company.
Reading
reversed ?
Adust VU, TU
Yes
or PU
Turn on
No
flow
Connect
No
AquaProbe
cable
Install
AquaProbe
No
correctly and/or
ensure correct
functioning
Reset parameters for
correct flow direction
& count rate at <10Hz
16
Start
Connect power
to unit
Display
response correct?
See Fig. 6.1
Yes
No
Correct
No
flowrate
displayed?
Yes
Flow in
Pipeline?
Yes
Totaliser
operating
correctly?
AquaProbe
cable
Yes
connected?
End
Yes
AquaProbe
correctly
installed &
functional
?
Yes
Fig. 7.1 Fault Diagnosis
No
Display
LO P
?
Yes
Replace
battery
No
Flow in
forward direction No
& count rate
< 10Hz?
Yes
Check
transmitter
and cabling
No
Display
No
permanently
blank?
Check
transmitter
Yes
and cabling
Remove and
reconnect
power
Ensure power
is correct and
connector is
correctly wired
Display
No
blank?
Yes
Check
transmitter
and cabling