Outdoor temp failed -41C

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  • Updated 10 months ago
My outdoor unit on model 02032CAUDI has mysteriously gone to -41 deg C. Has been working fine up until now. Batteries in great condition I have reset twice now. Signal is fine but I suspect the internal temp sensor on the outdoor unit has failed. I changed from "B" frequency to "A" frequency but still does not work. Indoor unit is fine. HELP! Should I throw it in the trash?
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Alan Taylor

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Posted 10 months ago

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Sheri Boyer Perillo

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My 5in1 outdoor weather station developed the same problem about 2 weeks ago.  It froze at 80 degrees.  My husband fiddled with it and it went to -40. It stayed there for a week then the other morning it registered 52 degrees, which was correct overnight temp.  But then stayed there. Then some time during that day it went to 78, which at some point in the day was accurate.  Stayed that way until early morning then registered a 50 degree reading, accurate, but stayed there.  My husband changed the batterers and cleaned the contacts yesterday.  It went back to -40 and registered .35" of rain, hasn't rained a drop..  Then last night went to 52 stayed there until just a little while ago I noticed it was at 70.  The wind speed seems to be registering correctly this whole time.  Our unit is around 5 years old, we think.  Each time it goes to what could be an accurate temperature I think it has righted itself.  But just stays there and changes only twice time in a 24 hr period..  We're not sure what to do with it.  I just thought it was interesting that you have had the  same problem with the temperature part that we have had during the same time period.  If we figure out a way to fix it I will let you know.  But for now it's a mystery.  We're thinking it might be time to replace it since it seems to have gone wacko.  I am picking up these readings on 2 separate displays and through the internet connection.  So, the problem must be with the weather station itself..
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Alan Taylor

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Yes its a bummer. I have  had a search and it would seem it may be a faulty sensor board. Apparently the board can be replaced for about 10 USD. I don't know whether I will bother. Its a disappointment really. I might just stick to my Iphone weather app and trash the whole unit. Thanks for the reply. I will wait for a reply from Accurite to come back. If I learn anymore I will keep you in the loop. I live near the coast Coffs Harbour (East coast Australia) and it could be the high salinity that affects these units.


Regards Alan Taylor 
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Jeff Helke

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I have Model VN1TXCA1 and am experiencing the same issue as Alan. But temp stuck at -40 and Humidity at 1%. All worked fine until the sensor batteries died. Replaced ALL batteries with fresh, reset all, but no change. All other sensors appear to be working fine. I also live in a costal region.

Jeff Helke

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Simon Hales

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Alan,  I think you are correct and the sensor has died. You have a couple of options. If you are using a internet bridge then you can purchases an outdoor sensor which will then report the temperature correctly to your phone app (Not WU if you share). Secondly as you said you can replace the board for about $10 which for me would be the better option. Replacing the board is not difficult and I think you would miss your 5 in 1 if you decided just to go with a phone app. Hope that helps.
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Alan Taylor

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Yes,
I have confirmation from Acurite that it is likely that the sensor has failed. I am still thinking of trashing the whole unit even though the sensor can be replaced for $10. It least we know what is going on. Cheers guys.

REGARDS ALAN
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Alan Taylor

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Thanks Simon option 2 will be the solution. I tried to order on your website but no shipping options to Australia. What would you suggest? Costco I believe are the the distributors here in Australia but I don't have an Acurite contact for them.
Regards Alan
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Sheri Boyer Perillo

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Hi,
Since I replied to Alan yesterday my temperature has started working.  But considering the lag time between my husband changing the batteries and cleaning the contacts, that the temperature started working was over a day.  It also registered a considerable amount of rain and we have not had any rain or a cloud in the sky for the same time period. We are going to replace the whole unit, it's been acting too erratically.

One last interesting note, I too live in a coastal region. About a quarter of a mile from San Francisco Bay.  So, that's 3 of us living close to salt water.  It makes me wonder if the extra salt in the air has anything to do with the units failing?  All three units had the -40 issue and mine was also at 1% humidity the same time as the -40 reading.
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AcuRite Tori

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Hello Everyone,

 Living by the coast can be harsher on your outdoor sensor. We would recommend the following troubleshooting steps. If this does not correct the issue and you are under the 1 year warranty please let us know. We also have a replacement module that can correct this if your sensor is compatible. You sensor would need to be one of the following models: 06004M / 06004RMA1, 06014M / 06014RMA1, and VN1TXCA2. If it is not and you are no longer under the 1 year warranty we would then recommend purchasing a new 5in1 sensor. Thank you.

Hard Reset:
- Bring both units side by side and remove all batteries, unplug display if it has an ac adapter
- Change the ABC Switch to a different setting and ensure that both are on the same setting. example - If on A, move both to C
- Place batteries into the outdoor sensor first
- Place batteries into display
- Allow units to sit side by side until they connect.

Checking for debris:

Items Needed: 5-in-1 sensor, Philips screwdriver, toothbrush (optional), moth ball (optional)

  1. First, open your 5-in-1 sensor by removing the (4) four screws from the bottom. The screws toward the center of the sensor are for Rain Gauge calibration only. Do not adjust these screws.
  2. After your sensor has been opened, remove any insects, cobwebs, or debris. An old toothbrush can help to clean out the hard-to-reach places.
  3. To further defend against insects crawling into your sensor, you may place a moth ball in the nook, near the tipping buckets (shown in video). Adhere the moth ball to the sensor with a piece of tape.
    • Note: Insect repellant may be used for additional protection, but should not be sprayed on the internal components or into the sensor.
  4. Reassemble the 5-in-1 sensor by replacing the (4) four screws on the bottom of the sensor that were removed earlier.
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Alan Taylor

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Hi Tori,
I have followed your instructions and the sensor is definitely unserviceable. The sensor shows signs of green copper corrosion on the contacts. How do I go about getting a replacement sensor? 
I am in Australia. Your website does not allow international selection for spares. 
I can send you the part numbers off the sensor. I would order two sensors if you can send them to me in Australia.
Sapphire Beachfront Apartments. Apart 34/40 Solitary Islands Way, Sapphire Beach, Zip 245, New South Wales.
Regards
Alan Taylor
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Simon Hales

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Alan,
I am pretty sure this is what you need:
https://www.acurite.com/temperature-and-humidity-sensor-replacement-for-5-in-1-weather-sensors.html
However, have you tried cleaning the connector as you may just have a bad connection?
I will let Acurite respond regarding shipping. I would spray some contact cleaner on the plugs and use a small brush (Old tooth brush) to clean off any corrosion you can see.

Simon
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Alan Taylor

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Tried cleaning the connector and reinstalled. Copper corrosion is the problem.
Regards Alan
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Alan Taylor

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Simon the numbers on the sensor are: PSUN4B01 and 20150507.
I will try and order 2 sensors off your website again. There appeared to be no international supply option.
Regards Alan
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Alan Taylor

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No options in the address field allow international ordering of the sensors.
Its all getting a little too hard. Might be time to ditch the unit Simon.
I am a bit over it all. Thanks anyway.
Regards Alan
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AcuRite Rachell, Employee

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Hello Alan,
Please provide the model number listed on the bottom of the sensor. When was this unit purchased?  Thank you. 
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Alan Taylor

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Hi Rachel I purchased this unit from EBay Australia ImartPlus 30858 in August 2016.
The unit serial number is: 24C86E061E1A - Model #02032CAUDIA1 
KIND REGARDS
ALAN
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AcuRite Tori

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Hello Alan,

EBay is not an authorized retailer of ours. To view our authorized retailers please click on the link below. At this time, we are able to ship orders through AcuRite.com to the USA and Canada only. The card used for payment must also have a billing address located in either the US or Canada. Thank you.

https://www.acurite.com/retailers
(Edited)