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The KE100 never lets the radiator get cold

The KE100 never lets the radiator get cold

The KE100 never lets the radiator get cold
The KE100 never lets the radiator get cold
Sunday
Tags: #Smart Control/Schedule #Temperature Calibration
Model: KE100 KIT  
Hardware Version: V1
Firmware Version: 2.10.0

I have been using the KE100 kit since December 6, 2025. It worked fine at first, but since December 22, it has been acting up.
I have reset and recalibrated it several times according to the instructions, but it constantly overheats. The radiator never gets cold, even when the target temperature is set to 13 degrees Celsius. However, it correctly detects that the ambient temperature is already 22 degrees Celsius and above!

 

The thermostat has the correct batteries installed.

 

 

It is noticeable that the temperature drops every day from 12:30 a.m. to 2:45 a.m. and then rises again. EVERY DAY. Without any external influence.


Is this a hardware or software error?

 

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#1
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6 Reply
Re:The KE100 never lets the radiator get cold
Sunday - last edited Sunday

Further information: I don't use an adapter and have reset and recalibrated it several times according to the instructions (Abnormal Heating: What To Do If Kasa KE100 Overheats or Not Heating Up?), 

 

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#2
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Re:The KE100 never lets the radiator get cold
Sunday

  @ThermoHeat This is happening to me as well and I really don’t know what to do. I have the temperature set to 22°C, it works correctly for a while, but then during the night it somehow turns on and the heating keeps running. In the morning, the room temperature shows around 27°C even though the set temperature is still 22°C. I will probably return or claim the device as faulty. How did it work out for you?

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#3
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Re:The KE100 never lets the radiator get cold
Monday

  @Jimiii 

 

I haven't taken any steps to return the item yet, but if no one from @TP-Link gets in touch and can solve the problem, I'll have no choice but to do so...

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#4
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Re:The KE100 never lets the radiator get cold
Monday
Thank you very much for the update. I really appreciate it, and please let me know how it turns out in the end. I’ll keep my fingers crossed that TP-Link gets in touch and resolves the issue.
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#5
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Re:The KE100 never lets the radiator get cold
Tuesday

  @ThermoHeat 

 

To assist with this case, a specialist will help to follow it up through email. Please check your inbox later to confirm. 

 

If the email you used to register for the TP-Link community is not your contact email or you cannot access it, please send me your contact email through private message.
 

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#6
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Re:The KE100 never lets the radiator get cold
Tuesday

Jimiii wrote

  @ThermoHeat This is happening to me as well and I really don’t know what to do. I have the temperature set to 22°C, it works correctly for a while, but then during the night it somehow turns on and the heating keeps running. In the morning, the room temperature shows around 27°C even though the set temperature is still 22°C. I will probably return or claim the device as faulty. How did it work out for you?

  @Jimiii 

 

You may refer to the suggestions here. Abnormal Heating: What To Do If Kasa KE100 Overheats or Not Heating Up?

▶ Tapo P110M Matter 1.3 Release Energy Monitoring through Matter ▶ Smart HomeBase Tapo H500 - Even More Powerful Smart Hub ▶ First Smart Switch Module! Tapo S112 Smart Switch Module with Roller and Switch Dual Modes ▶ Tapo Camera Image Style & Image Brightness Try out a different image style for your camera!
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#7
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