How to change battery for safety 1st digital thermometer model no 49502

This type? SR41 battery hidden under the end cap.

http://www.amgmedical.com/site/Manuals/016-644_Ins.pdf

https://www.google.com/search?q=terminal+digital+clinical+thermometer+model+f-10

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what kind of thermometer, it should be able to be changed, but have to have it OFF first, with the memory or options button.

Go to http://www.safety1st.com/usa/eng/Products/Child-Care/Thermometers/?start=0 and find your thermometer. Click on the picture, towards the bottom there is a section you can click on called instructions. Then it will bring up a new menu it will ask you to enter your product type, model, and manufacture date and you can download the instructions from there. I hope this helps.

This usually happens if the battery is not installed the right way. Meaning you have the + & - reversed. Also, and this happens more than you'd suspect ... the new battery, in fact may be weak..

Hope this helped you solve the problem.

According to the 10428 manual from Safety 1st:
"When the battery is exhausted. Dispose of the thermometer as the battery is non-replaceable. Be aware of any local regulations concerning disposal of this product. The battery cover
is sonic-welded to the main housing of the thermometer, the battery is well sealed inside the thermometer to reduce the risk
of being swallowed by children."

According to the 10428 manual from Safety 1st:
"When the battery is exhausted. Dispose of the thermometer as the battery is non-replaceable. Be aware of any local regulations concerning disposal of this product. The battery cover
is sonic-welded to the main housing of the thermometer, the battery is well sealed inside the thermometer to reduce the risk
of being swallowed by children."

when its offhold the button down until you see the f pop up then release.

I have a suspiciion that your display is faulty The error should be E not L There have been quite a few problems with this unit and many were returned for replacement. Distributed mainly via Amazon from what I can find. Changing battries for some resulted in total anhialation of the unit. Others found erratic readings of steak 110 on first test and 80 on the second insertion 2 mins later. All in all I think this is a cheap and faulty product from my research but for $12 I guess I am expecting a lot to want accuracy and reliability.


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Called 800 number and spoke to customer service for instructions.