MF5700
User
Manual
33
|
P a g e
9.
Troubleshooting
Phenomena
Possible
causes
Actions
No
signal
/
display
Power
not
connected;
battery
empty
Connect
the
power,
check
the
cable
Cable
connection
incorrect
Check
cable
No
flow
or
clogging
Check
flow
and
contamination
Power
regulator
failure
Return
to
factory
Sensor
failure
Return
to
factory
Large
errors
or
unexpected
flowrate
Particles,
fluid
type
Check
system
Erroneous
or
large
noise
Vibration,
unstable
flow
Check
system
Valve
not
work
Wire
connection,
valve
Return
to
factory
Offset
unstable
Circuitry
instability
Check
system,
power
off
No
digital
interface
Wrong
address,
software
Check
commands,
connection
No
wireless,
BT
cannot
pair
Wrong
model,
data
jam
Check
model,
power
off/on
