Changing battery Polar ce0537

check these sites....

https://www.google.com/search?q=polar+watch+ce0537+manual&newwindow=1&rlz=1C1CHBD_enUS885US885&biw=1280&bih=571&tbm=vid&sxsrf=AB5stBjQVZMWN9dJhOTZ6odK_j0k81H77g%3A1691512275146&ei=023SZN3HCPqV0PEPw_mnkAw&oq=Manual+to+Polar+watch

Seems to be a known issue. Many reasons stated here
https://www.amazon.com/ask/questions/Tx18QZELCDF92KP

https://www.google.com/search?q=beeping+sound+on+Polar+heart+monitor+CE0537

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Hi! Welcome to FixYa,

Please refer to the link below for the manual of polar electro ce0537:
http://www.polar.fi/en/support/product_support?document=/gip/PKBStoGIP.nsf/LINK/xAF42D5B7E6C545CF422569F400405E36?OpenDocument

You have a great day and thanks for using FixYA!

Your model number is actually an F4 which you can see engraved above the CE0537 on the back of the watch.

Here is the link to the F4 manual: Manual

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Regards,

DIYpro

There is a link to download any Polar manual in PDF form in my tips and tricks page.

Are you sure there is no button in front? Polar watches are all activated for exercise recording by a front button. And if it is an A5 as the request and picture show there is definitely a front button.

On the back of the unit, near the upper portion of the backing will be the model number it will be a letter/ number code like A5, M32, etc... The CE0537 is a different coding than the model itself. You will need the model number for the correct manual.

Check the links below:

User Manual

Video instructions

TABLE OF CONTENTS

Had the same problem. Just figured it out. The center Polar Logo on the strap needs to touch your chest in a firm way. Bend it back slightly so it fits snug on the middle of your chest.

Have you had the battery tested? Try that, and we will go from there.Let me know, I can help you it just takes curtain steps to make sure we don't go through a bunch of things we don't have to in correcting this problem.

You do not have the right model number. For some reason, Polar puts the CE0537 in big numbers on the back of the case. The real model number on my unit was in very light engraving right above the words "Polar Electro" on the back of the case. Looks like they have an engraving problem where both the model and serial number are very hard to read. If it helps, my model was S120 and I found the manual quickly on the polar site. The polar site also has the location of model numbers in their FAQ area.