mypros+
Error code reference

Samsung Hood Error Code E-23

Temperature sensor T1 max time error (preheating not completed).

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the E-23 error code actually means

Your Samsung hood ran into a problem where the internal warming or preheating process did not finish in time, and the appliance shut itself down as a safety precaution. A temperature sensor that monitors the heating process either could not read the temperature correctly or the heating element did not warm up fast enough. A technician will need to inspect the sensor, heating components, and wiring to find the specific cause.

Diagnostic procedure

The full E-23 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
Confirm the fault
Power cycle the unit: switch off the breaker for 60 seconds, then restore power. If the code returns, the fault is persistent and the procedure below isolates the cause.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock E-23 procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of E-23

Ranked by how often they cause this code
  1. 1Faulty T1 temperature sensor
  2. 2Failed or degraded heating element
  3. 3Loose or damaged wiring connections
  4. 4Control board malfunction
  5. 5Blocked airflow or environmental conditions

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about E-23

What does E-23 mean on a Samsung hood?
E-23 on a Samsung hood indicates a temperature sensor T1 maximum time error, meaning the preheating cycle did not complete within the expected time limit. The control board monitors the T1 sensor during startup and triggers this code when the required temperature is not reached in time. The appliance stops operation as a protective measure until the underlying issue is resolved.
Will resetting my Samsung hood clear the E-23 error?
A power reset by unplugging the unit or switching off the circuit breaker for several minutes may temporarily clear the E-23 error code. However, if the underlying hardware fault such as a failed sensor or heating element is still present, the error will return once the hood attempts to preheat again. A reset is useful for confirming whether the fault is intermittent, but it is not a permanent fix.
How much does it cost to repair a Samsung hood E-23 error?
Repair costs for E-23 vary depending on which component has failed. A replacement temperature sensor typically costs in the range of $20 to $60 for the part alone, while a heating element or control board can range from $50 to $200 or more. Adding labor costs from a professional technician, total repair costs commonly fall between $100 and $350 depending on the specific fault and your location.
Can I fix the E-23 error on my Samsung hood myself?
Some causes of E-23, such as loose wiring connections or debris blocking airflow, can be addressed without specialized tools. However, testing and replacing the T1 temperature sensor, heating element, or control board typically requires disassembly of the unit and basic electrical testing skills. If you are not comfortable working with appliance wiring, it is safer to contact a qualified repair technician.
Is it safe to use my Samsung hood while the E-23 error is showing?
It is not recommended to continue using the hood while E-23 is active. The error indicates that the preheating cycle failed, which means the thermal system is not operating as intended. Running the appliance in this state could mask a deeper electrical or heating component failure. Discontinue use and diagnose the fault before operating the hood again.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass