Error code · Blendtec · Blenders

Blendtec Commercial Blender Error Code Overtemp: Motor Too Hot

Error: Overtemp. Condition detected on a Blendtec commercial blender means the motor temperature went over its limit. The manual lists it under Reset Errors: press the cancel button or unplug the blender and plug it back in, and contact your Blendtec service agent if it does not clear.

Medium · inspection needed

Medium: the blender stops to protect the motor, and repeated overheating can mean airflow or motor trouble.

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Code: Error: Overtemp. Condition detected
Maker: Blendtec
Equipment: Blenders
Applies to: Blendtec Stealth 875/885 (and 895 in contents), Connoisseur 825, Chef 775, EZ 600, Chef 600

What does Blendtec error: overtemp. condition detected mean?

The Blendtec control watches the motor temperature during blending, and if it climbs past its limit, the control stops the motor and shows Error: Overtemp. Condition detected. This protects the motor from damage. The manual lists the message among the Reset Errors for the Stealth 875/885 and Connoisseur 825, with an instruction to press the cancel button or cycle power by unplugging the blender and plugging it back in. If the error does not clear, the manual says to contact your Blendtec service agent. No individual causes are listed. Heavy loads, long runs without rest and blocked airflow are common reasons for motors running hot, but those are our likely causes, not the manual's. A related message, Error: Temp. Sensor not detected, covers the case where the control cannot read the temperature at all. The display reads exactly Error: Overtemp. Condition detected.

Affected models and control systems

This message is listed in the Blendtec Commercial Series manual, which covers the Stealth 875/885 (and 895 in its contents), Connoisseur 825, Chef 775, EZ 600 and Chef 600. The reset instruction below is given under Reset Errors for the Stealth 875/885 and Connoisseur 825.

Code numbers and their meaning can change between control generations. We match the full model and control before acting on a code.

What you may notice

Error: Overtemp. Condition detected on the display
Blender stopped mid-blend
Motor base warm to the touch and the blender not restarting right away

Possible causes

Likely causes — what usually sits behind error: overtemp. condition detected on this control. A technician confirms which one it is before any part is replaced.

Back-to-back heavy blends with no rest
Thick or frozen load working the motor hard
Vents on the base blocked by dust or grease, so air cannot cool the motor
Blender used in a hot spot, such as next to a fryer or oven

Safe checks before calling for service

✓ What an operator can do

Switch the blender off and let it cool for several minutes.
Check that the vents on the base are clear and not blocked.
Press the cancel button, or unplug the blender and plug it back in, as the manual says.
Restart with a lighter load and watch whether the error returns.
If it does not clear, note the load, the time and how many blends came before, for the service call.

How a technician diagnoses error: overtemp. condition detected

Read the error and confirm it is the overtemp message and not the sensor message.
Check the cooling fan and vents for blockage.
Check motor current and temperature while running a known load.
Check the temperature sensing circuit with a meter.
Replace the fan, sensor or motor that fails testing and repeat a loaded run.

! Leave this to a technician

The motor and electronics run at line voltage inside the base.
Checking motor current and temperature on a hot unit carries burn and shock risks.
Sensor circuit tests need the manufacturer's values and a meter.

Technical reference

Document: Commercial Series Owner's Manual and User Guide (Blendtec)
Edition: All Models, US ENG, CA FRE, MX SPA, Aug 2017 (copyright 2015 Blendtec, Inc.)
Models / control: Blendtec Stealth 875/885 (and 895 in contents), Connoisseur 825, Chef 775, EZ 600, Chef 600
Section: Section 6 Troubleshooting - 6.2 Error Messages on Display, printed pp. 47-49 (PDF pp. 49-51)
Checked: October 2026

We use the maker's document to read the code and do not reproduce it. Always confirm the complete model and control before applying these steps.

→Same maker

Related Blendtec blender error codes

Error: Invalid blend cycleBlendtec Blender Error Message: Invalid Blend Cycle Error: Motor control error detectedBlendtec Blender Error Message: Motor Control Error Detected Error: Touch controller not detectedBlendtec Blender Error Message: Touch Controller Not Detected Error: Touch controller output is invalidBlendtec Blender Error Message: Touch Controller Output Is Invalid Overload ErrorBlendtec Blender Overload Error: Motor Overloaded Overtemp ErrorBlendtec Blender Overtemp Error: Motor Overheating Touch ErrorBlendtec Blender Touch Error: Sensor Touched E-01 to E-06Blendtec Chef 775 Blender Error Codes E-01 to E-06 Error: Overload condition detectedBlendtec Commercial Blender Error Code Overload: Motor Overloaded Error: Read / Write error detectedBlendtec Commercial Blender Error Code Read / Write Error: Stored Data Error: Reset error detectedBlendtec Commercial Blender Error Code Reset Error: Unexpected Reset Error: Temp. Sensor not detectedBlendtec Commercial Blender Error Code Temp Sensor: Not Detected

Error: Overtemp. Condition detectedQuestions about Blendtec error: overtemp. condition detected

Can I keep using the blender after Overtemp?

After you reset it and it has cooled, yes, with lighter loads. If it will not clear, contact your Blendtec service agent.

Is Overtemp the same as Overload?

No. Overtemp is the motor temperature, Overload is the motor being overloaded.

Will it happen again?

It may if the load or the airflow has not changed. Give the blender rests and keep its vents clear.

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