Blackdecker Air Conditioner Error E2

⚡ Quick Answer: The BLACK+DECKER air conditioner E2 error indicates a malfunction in the temperature sensor, which leads to erratic temperature readings and inconsist... ✅ DIY Fixable

What Does Error E2 Mean?

The BLACK+DECKER air conditioner E2 error indicates a malfunction in the temperature sensor, which leads to erratic temperature readings and inconsistent cooling performance. This error may also relate to issues with the water level or float sensor. Common symptoms include the E2 code displayed on the digital panel, the unit stopping cooling operations, and potential compressor startup failures.

Common Symptoms:

  • E2 displayed on unit’s digital panel
  • Unit stops cooling operation
  • Often accompanied by shutdown or failed compressor start

Possible Causes

  • Temperature sensor malfunction (medium)
  • Water level/float sensor or drainage issue (medium)

How to Fix Error E2

DIY Fix Basic user troubleshooting for E2 error

  1. Turn off and unplug the unit for 5–10 minutes to reset internal controls
  2. Check that the unit’s drainage tray/pan is properly drained and that a float switch isn’t stuck
  3. Ensure the air filters and intake/exhaust are clear and unit has adequate ventilation
  4. Power up the unit again and observe if the E2 code reappears

Technician Only Technician diagnostic and repair for sensor-related E2

  1. Visually inspect and test the temperature sensor resistance and wiring harness for continuity and correct values
  2. Inspect water/float level sensor for proper operation and replace if stuck or defective
  3. Check control board connections for sensor inputs and repair any loose connectors
  4. Test unit operation under controlled conditions after parts replacement

Parts needed: Temperature sensor, Water/float level sensor, Connector harnesses

🛑 When to Call a Pro:
  • If the E2 persists after basic user troubleshooting steps
  • If there is visible water leakage or suspected internal electrical faults
  • If internal sensors or control board diagnostics indicate failure

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 5-10 kOhms
part_number BD-AC-SENSOR-001
voltage_rating 120V AC

Common Questions

What does E2 error mean on blackdecker air conditioner?

E2 indicates a temperature sensor malfunction or a water/float sensor issue, leading to cooling problems.

Can I fix blackdecker air conditioner E2 error myself?

Yes, you can try resetting the unit, checking drainage, and ensuring proper ventilation.

How much does it cost to fix E2 error?

Repair costs typically range from $50 to $200+, depending on parts and labor.

When should I call a technician for E2?

Call a technician if the E2 error persists, there's water leakage, or suspected internal faults.

Data last verified: 2026-04-14

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