Where can I get an outside replacement temperature sensor for a Sharp SPC524 clock?

Direct from the maker

https://sharpclocks.com/support/

SPC1107 Manual_OL - Sharp

https://sharpclocks.com > uploads > 2019/01 > SP...
PDF
The remote sensor transmits the outdoor temperature. To receive the outdoor temperature, place the ... M.Z. Berger will repair or replace the clock.

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  SPC1107A - SharpClocks

  https://sharpclocks.com > products > spc1107a
  The Sharp Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. The Wireless Sensor transmits the outdoor temperature to ...

It is a known issue

Try first a general reset:
- remove the batteries from the clock (thus turning it Off.)
- remove the batteries from the outside sensor (if you are not aware that it has batteries, then perhaps it is not working because the batteries are no good any more! check that also.)
- wait 10 minutes with no power to the device.
- put batteries back in, power On again.
- hit Reset.
- hit Receive button.
- change the channel for reception from the outside sensor.
- change the channel on the outside sensor to match that channel.
- then set the time once more, once the remote temperature is sensed once again.

If this does not get the outside temperature reading working again, you may have to replace that temperature sensor.

https://www.google.com/search?q=Model+spc373

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Hope this helps
Sharp Alarm Clock Inustructions

[PDF]WS-8117 ATOMIC CLOCK WITH OUTDOOR WIRELESS ...

https://www.lacrossetechnology.com/products/.../misc/8117-manual.pdf

NOTE: Do not set the clock until the outdoor temperature is displayed. .... The unit will still try and receive the signal every day despite it being manually set. ..... sunlight, extreme cold and wet/moist conditions as these will lead to rapid changes ... Beforesending the atomic clock in for repairs, contact La Crosse Technology.

La Crosse Technology Top Solutions

https://www.lacrossetechnology.com/support/top_solutions.php

A: Complete a restart for display with the temperature/humidity sensor: ... to rest for 15 minutes can result in failure to connect with the outdoor sensor or missing ... Products set outside of these time zones will not search for a WWVB signal as it is ... locate the Clock or Weather Display near an outside wall and point the unit in ...

Common issues weather stations: Click Here

www.weather-station-products.co.uk/faqs/common-issues-weather-stations

Under £30 £30-£75 £75-£125 From £125 Birdhouses/Feeders Outdoor Clocks ... I'mnot getting any outdoor readings from my outdoor sensor, what do I do? This willcure 90% of all sensor connection problems, important you must ... is the airtemperature, to get this reading you need to place the unit away from direct sun.

Replacement Temperature Sensor ' AcuRite

www.acurite.com > All products

That makes scence, you have to have an outside temperature probe. If it is wireless it also needs batteries. Check manual for more details.

If you have a outside sensor add betteries.Wait for it to connect to the base. You may have to "reboot" ,remove batteries from base and outside temp sensor and replace both, Patiently WAIT I have a similar device and once a year I replace the batteries It takes a while for the devices to re-connect and set , the atomic clock as well. That said, How far is the Temp Sensor from the base unit? I set my outside sensor near the base to connect and move it on th outside porch (30' away) out of the direct sun and rain. I not sure if this is necessary but that the way I reset them.

Without having parts to try, this would be difficult to know what the fault is. Inside this unit there is a circuit board, and on the outside there is the exernal temperature sensor.

There are only a few things that can go wrong. There is not much that is servicable unless you can find a spare board, or a spare temperture probe. There is very little posiblity that in any practicality this unit can be serviced at the component level.

I would just go out and buy a new unit.

Jerry G.

For the Sharp SPC374T Atomic Clock - Time Zone setting- Press the 'Time' button once, the time zone will show where 'Day' usually is, use the Up or Down buttong to adjust.

For the outdoor Thermo, credit to my neighbor for this one. Remove battery from main unit, wait 2-3 minutes. Reload batteries. Once you get a reading from the outdoor sensor, hit the reset on the main unit. You will have to reset the time zone as described above, but this worked for me after 10 months of no outside temp showing up!

Good luck,
Doc