CiDRA SONARtrac PW VF-100 - Manual (Page 270)

20838-01 Rev 09 Page J-11
Flow Meter Faults (page 4)
Item
No
PROBLEM
POSSIBLE
CAUSE DIAGNOSTIC
METHOD
DIAGNOSTIC RESULT COMMENTS
15
The flow rate
displayed is
a series of
dashes ( -----
- )
Undefined
Take s ‘SNAPSHOT’
using software utility or
SONARstick
Post on secure Web site in Technical
Support area
Contact Customer Support.
Process operating
flow is less than the
system programmed
minimum flow setting
Is the process flow rate
< 3 ft/sec
Yes
System normal
specification is a low flow
cutoff of 3 ft/sec
No
Acquire Snapshot, Upload
to secure Website, and
contact Customer Support.
16
The flow rate
displayed is
‘> max flow’
Process operating
flow is greater than
the system
programmed
maximum flow
setting
Is the process flow rate
> 30 ft/sec
Yes
System normal
specification is a maximum
flow cutoff of 30 ft/sec. If
this is a gas flow
application, contact
Customer Support for
instructions.
No
Acquire Snapshot, Upload
to secure Website, and
contact Customer Support.
17
The Flow
Reading is
erratic
Sensors are
saturating
Select and run
‘AUTOSET GAIN’ found
in GAIN submenu of
DIAGNOSTICS menu
Yes -The reading is less erratic.
Use this as new transmitter
configuration
No – The reading is still erratic
Acquire Snapshot, Upload
to secure Website, and
contact Customer Support..
The flow is at or
below min flow rate
of the system
Select ‘LOW END’
under FLOW CUTOFF
RANGE submenu of
CUSTOMIZE menu and
determine if that value
is zero Yes – the value is set to zero
The operation may be
outside the measurement
capability of the meter.
Contact Customer Support.
No – the value is not set to zero Lower the low end cutoff.