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How to change honeywell battery - Heating & Cooling

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Looking from the front, on top to the right is an area you can press down slightly, then move to the right. The battery compartment comes out for battery replacement. It uses AA batteries. I hope this helps you.

Posted on Oct 22, 2013


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Posted on Jan 02, 2017


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I have Honeywell thermostat..Aube 360 000 071 B It died last night. Simply stopped On-Off of main turning on A/C does not work. I have changed batteries..I need help.

Your Honeywell thermostat may have simply expired. The fact that replacing batteries did not help (provided they were installed correctly) is an indication.

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Hello Bob Compher,

It looks like GETTING that battery is the biggest challenge...

After that it simply unplugs (like a portable phone battery).

Your manual is listed (below)

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No friend,
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How do i reset my honeywell thermostat

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Model number appears on back of device.
Google search thermostat model in following format: Honeywell xxxx32 thermostat .pdf
Adding .pdf to search parameter will yield product manual.
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If you need further help, I’m available over the phone at

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There is no battery in the Honeywell 6160 keypad. It is powered by the transformer in the control panel. If it is showing BAT on the keypad, check the main system battery in the control panel.

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The thermostat for the main zone in my house (honeywell model RTH5100B1017) is battery powered and it blinked change the battery for a couple of daye and then went blank. I have changed the batteries twice...

  • Check any batteries and replace if needed. Ensure that you use only AA alkaline, nonrechargeable batteries.
  • 2 Check for oxidation buildup on battery contacts. Use electrical contact cleaner and carefully clean the battery contacts of any oxidation buildup.
  • 3 Reset the system switch.

  • Read more: How to Troubleshoot Honeywell Thermostats '

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    The userguide can be found here;

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