Contact Sensor 2nd Gen Draining Battery – serious issue
I have 8 door/window contact sensors 2nd gen installed in May’20. I have gone through 16 CR2032 batteries (8 replacements) in 2 months. Only 3 of the 8 are getting drained every few weeks. I have done a factory reset and re-paired them multiple times. Only 1 of the 3 is the main door, which gets used several times a day. The other 2 are on Windows that rarely get opened. Here are the primary issues I have identified: 1. The issue started in Sep/Oct’20 when these 3 sensors in question started getting polled for battery levels multiple times a day according to event history 2. The remaining 5 sensors do not get polled for battery level, do not have any events related to battery levels, and the batteries remain full 3. The Event History shows erratic battery levels for the 3 sensors in question, LOW, to FULL to OK all in the same day a few hours apart (see attached screen shot). They seem to be getting polled about 10 times a day 4. I spoke to support last week while replacing my second gen keypad for the 2nd time ( both times dead, no power). She said she had no knowledge of any issues with sensors and would have to start with “basic” troubleshooting which my sensors will pass, since they are technically “working”. Since this is obviously an update or software related issue, Is there an option to involve 2nd or 3rd level Ring support without going through 30 minutes of basic trouble-shooting? 
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23-01-2021 04:15:14
Responses (6)
- E
Hi Having same issue. First issue was with sensor failure and the replacement needing batteries on a weekly basis. Now it’s every couple of days. Then keypad totally died after only first recharge. Now two sensors are constantly having issues requiring Battery replacement every other day. Any way to correct this issue?
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30-07-2021 08:05:38
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- O
Hi! I keep having the same issue with one of my window sensors. Could you share what did you do to get the equipment replaced? thanks in advance.
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08-12-2021 05:39:21
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- S
I also have the same issue with just 1 window sensor. There are other sensors that are much further away from the base station than this one, they have no such issues except this one gen 2 contact sensor. All of them are installed indoors on similar windows and some on doors. All others work just fine except for this one sensor. Bizarre. No clue what I can do here. Support phone line wait times are egregiously horrible. The entire equipment set - base system, all sensors, etc., are less than 1 year old.
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10-07-2022 04:22:18
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- A
I have a second generation contact sensor, the battery drains in 2 days. I have done full resets several times. The sensor works fine with new batteries for 2 days then is out of power. Any ideas on what I can do? Is it just a replacement I need. It’s only been just over a year I’ve had it. V disapointed!
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22-12-2022 04:46:42
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odomc
I'm having the exact same issue.... I have a door and two window contact sensors within a few feet of each other - same distance from the base station. It's been close to a year since they were all installed. I've not had to replace the batteries in the two window contact sensors yet but it seems that back door sensor just blows through batteries. The front door and garage door sensors (both closer to the base station) don't blow through the batteries as fast either. I was thinking about swapping the back door sensor and front door sensors but when you pull them off their base, the base (stuck to the doors) has a barcode on there too. I mean, I get that the device and the base have no technical reason to match up but I'm guessing that bar code is in case the QR code on the device gets worn to the point it can't be read. I just haven't been willing to risk pulling on the base and perhaps taking some paint off one of the doors. Wanted to do a little research on the problem first, and found your post.
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01-06-2021 08:52:21
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