Troubleshooting - Polar Electro F11 User Manual

ENGLISH

Troubleshooting

If you don't know where you are in the menu,
press and hold BACK until the time of day is
displayed.
If there are no reactions to any buttons, reset the
wrist unit by pressing all the buttons
simultaneously for two seconds. All other settings
but time and date are saved.
If the heart rate reading becomes erratic,
extremely high or shows nil (00), make sure that
there are no other heart rate transmitters within 1
m/3 ft and that the transmitter strap/the textile
electrodes fit snugly and are moistened, clean and
undamaged.
If the heart rate measurement does not work with
the sports apparel, try measuring using the strap.
If it works, the problem is most probably in the
apparel. Please contact the apparel
retailer/manufacturer.
Strong electromagnetic signals can cause erratic
readings. If the abnormal reading continues
42 Customer Service Information
despite moving away from the source of
disturbance, slow down and check your pulse
manually. If you feel it corresponds to the high
reading on the display, you may be experiencing
cardiac arrhythmia. Most cases of arrhythmia are
not serious, but consult your doctor nevertheless.
A cardiac event may have altered your ECG
waveform. In this case, consult your physician.
If heart rate measurement does not work despite
the actions mentioned previously, the battery of
your transmitter may be empty. For information
about changing batteries, see page 37.