Blackdecker Dehumidifier Error E1

⚡ Quick Answer: The Black+Decker dehumidifier E1 error code indicates a malfunction in the humidity sensor, often linked to a faulty temperature sensor or its circuit... ✅ DIY Fixable

What Does Error E1 Mean?

The Black+Decker dehumidifier E1 error code indicates a malfunction in the humidity sensor, often linked to a faulty temperature sensor or its circuit. This error can cause erratic display readings and may prevent the unit from operating altogether. If the E1 code appears at startup or during operation, it signifies an internal issue that requires attention.

Common Symptoms:

  • Display shows E1 at startup or during operation
  • Unit may not run when E1 is displayed

Possible Causes

  • Faulty temperature sensor (discharge/ambient) or its circuit (high)

How to Fix Error E1

DIY Fix Basic checks and reset

  1. Turn off and unplug the dehumidifier.
  2. Wait about 5–10 minutes and plug it back in.
  3. Power the unit on to see if the E1 code clears.

Technician Only Inspect/replace temperature sensor

  1. Unplug and open the dehumidifier housing per service manual.
  2. Locate the temperature/ambient sensor (thermistor) on the discharge or evaporator area.
  3. Check for loose or corroded connections and ensure wiring is intact.
  4. Test sensor resistance with a multimeter (compare to expected range for the specific sensor).
  5. Replace the sensor if readings are out of range or if visibly damaged.
  6. Reassemble and test the unit.

Parts needed: Temperature/ambient sensor (NTC thermistor), Connectors/wiring harness if damaged

🛑 When to Call a Pro:
  • If E1 persists after reset and user-level checks
  • If internal inspection is beyond user comfort or involves complex disassembly

Technical Specifications

wattage 300W
component Humidity Sensor
resistance 1-5 kOhms
part_number BDHUMSENSOR001
voltage_rating 120V AC

Common Questions

What does E1 error mean on blackdecker dehumidifier?

E1 indicates a humidity sensor malfunction, causing erratic readings or failure to operate.

Can I fix blackdecker dehumidifier E1 error myself?

Yes, try resetting the unit by unplugging it for 5-10 minutes and then plugging it back in.

How much does it cost to fix E1 error?

The cost to replace the temperature sensor ranges from $10 to $60, plus labor if applicable.

When should I call a technician for E1?

Call a technician if E1 persists after a reset or if you're uncomfortable with internal repairs.

Sources & References

Data last verified: 2026-04-14

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