14
Symptom
Possible
Causes
Corrective
Action
No display
Batteries
installed
incorrectly
Check battery
alignment
against
illustration
inside battery
cover
BAT
is blinking
Batteries are
getting low
Replace
batteries
Display reads
“
LO
” and the
BAT
indicator
is on
Batteries are
low
Replace the
batteries
Dirty battery
contacts
Clean the battery
contacts
Velocity
reading
fluctuates
badly
The flow is
fluctuating
Reposition the
probe in a less
turbulent section
of the flow or
set the
RESPONSE
switch to SLOW