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Procedure
1
Make sure that the ambient temperature is between
0 and +45°C (+32 to +113°F).
If you try to charge the sensor in ambient
temperatures below 0°C (32 °F), an internal safety
mechanism will prevent the charging.
2
Verify that the sensor sockets are clean and dry,
and that salt residues and moisture have been
removed.
Salt and moisture in the sensor sockets will
increase the transition resistance, and it will cause
the charger plugs to corrode.
3
Con-
nect
the
3–
pin
cha-
rger
plug
to
the
soc-
kets
at
the
end
of
the sensor body.
4
Connect the charger to a mains power outlet (100
to 230 VAC).
a
Observe that a small LED lamp close to the
sockets on the sensor is lit, indicating that
the charger is correctly connected. If the
LED is not lit, try moving the plug inside the
socket to make sure you have good electrical
contact.
Verify that the LED flashes every four
seconds to indicate that the charging is in
process.
b
c
d
5
Unplug the charger from the AC mains, then
disconnect the charger plug from the sensor body.
The battery will not be damaged even if you leave
the charger connected for a long period of time.
Changing a single pin on the charger
plug
The pins on the charging socket can wear down with
frequent use. This may affect the electrical contact.
375327 / F / 2023–10–13
Note
These steps are only valid for the PX
miniCatch sensor. For the rest of the PX
sensors the LED light is not visible. To
verify that the sensors are charging correctly,
confirm that the plug properly fits into the
socket.
Observe that the indicator LED on the charger
is lit with a red colour. This means that fast
charging is in progress.
Tip
If you connect the charger to a fully charged
sensor the indicator LED on the charger will
be red for a short period, and then it will
change to green.
After some time, observe that the indicator
LED on the charger for a short period may
change colour to yellow. This means that the
battery has reached almost full charge.
Observe that the colour of the indicator LED
on the charger changes to green when fully
charged. Normal charging time for a fully
depleted sensor battery is approximately four
hours.
A green light can also mean that the charger
is not connected. Confirm that the charger is
correctly connected.
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