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S1 foot pod
The battery of the foot pod needs to be replaced if the green light on
the foot pod turns red or there is no light at all when you press and
hold the red button on the foot pod. Check the easy start section for
replacing the battery.
Speed Sensor
The estimated average battery life of the speed sensor is 2500 hours of
use. We highly recommend you send the speed sensor to an authorized
Polar Service Center for battery replacement, where the unit is tested
after the battery has been replaced. However, if you prefer changing
the battery yourself, please follow these instructions carefully:
Detach the sensor from your bicycle.
1. Open the sensor by removing the two small screws, counterclockwise,
with a small screwdriver.
2. Lift the case off carefully. Hold the sensor cover upwards so that the
PCBA (printed circuit board assembled) stays in the case.
3. Remove the PCBA carefully.
4. Press the battery holder gently. Release a hook of the holder from
the opposite side of the PCBA and lift the holder upwards. Remove
the old battery.
5. Insert a new battery with the plus (+) side facing up and press the
battery housing gently so that it is attached to the PCBA at all corners.
1. Open the connector's battery cover by turning it
counterclockwise with the coin from the CLOSE
position to the OPEN position. The cover pops
out from its niche.
2. Remove the battery cover from the connector,
lift the battery from the niche and replace it with
a new battery.
3. Remove the sealing ring of the battery cover and replace it with a new
ring.
4. Place the negative (-) side of the battery against the connector and the
positive (+) side against the cover.
5. Put the battery in the connector's niche and put the cover on so that the
arrow points to the OPEN position. Make sure that the cover's sealing
ring is placed correctly in its groove.
6. Gently press the cover deep enough so that its exterior surface is on the
same level as the connector's surface.
7. Turn the cover clockwise so that the arrow on the cover turns from OPEN
to CLOSE. Make sure that the cover is closed properly!
In order to ensure the maximum life span of the connector’s battery
cover, open it only when you need to change the battery. We
recommend that you change the sealing ring of the battery cover every
time you change the battery. You can get the sealing ring/battery kits
from well-equipped Polar retailers and authorized Polar Services. In the
USA and Canada: Additional sealing rings are available from an
authorized Polar Service Center only.