Microsensor MPM480 Operation Manual page 15

ensuring
system is
in
normal
peration.
No signal
output,
no change
under
pressure.
Zero output of
2-wire
transmitter
at>0mA or
<3mA， no any
change under
pressure，
Zero
calibrating
trimmer fails
to work
6.4 Responsibility
Within one year from the delivery date, we shall repair or replace the
instrument with any quality fault caused by material parts or our
manufacturing technique free of charge. For non-quality malfunction
during user's operation, we are in charge of repair. But the material cost
and the shuttle transportation fees should be borne by users.
Displaying meter has some
troubles
Water enters into the transmitter,
inside insulation is not good
Power connection is wrong.
Plug is put wrong.
Inside circuit is damaged or
open.
Displaying meter has some
failure.
Overpressure or big shock cause
to damage the
Inside sensor.
Big stress cause the diaphragm
have no flexibility.
Thunder lightning or big voltage
damage the circuit.
The inside parts is corrosive or
circuit open caused by entering
water.
Check the display meter
check the joints of plug or
cable. In case the water
enters, open the cap and
dry the transmitter in a
60℃ oven box, then make
calibration.
Make connection as this
instruction.
Plug is insert right way.
Return to factory for repair.
Check the displaying
meter.
Return to factory for
changing the sensor.
Return to factory for
changing the sensor.
Return to factory for repair.
Return to factory for repair.
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