How To Change the Battery on Your Honeywell 5815 Wireless Contacts
This video will show you how to change the battery on a Honeywell 5815 wireless contact. Or you can follow our directions below:
- Find the slot on one side of the contact.
- Insert a small flathead screwdriver into the slot and twist.
- Remove the 3V lithium battery, CR123. Be sure to lift up from the positive side.
- When you insert the new battery, insert the negative side first.
- Place the cover back on.
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