Daewoo Air Conditioner Error P3

⚡ Quick Answer: The Daewoo air conditioner P3 error indicates a malfunction in the temperature sensor, which can cause erratic cooling and unusual display behavior. T... ✅ DIY Fixable

What Does Error P3 Mean?

The Daewoo air conditioner P3 error indicates a malfunction in the temperature sensor, which can cause erratic cooling and unusual display behavior. This error may also suggest potential high-pressure protection or compressor-related issues. If the air conditioner stops running and shows the P3 code, a general safety reset can be attempted by turning off the unit and disconnecting the power for several minutes before restarting.

Common Symptoms:

  • Air conditioner stops running and displays P3 code
  • Possible compressor related protection trip (based on generic HVAC patterns)
  • System may not restart until condition cleared

Possible Causes

  • Temperature Sensor

How to Fix Error P3

DIY Fix General safety reset attempt

  1. Turn off the air conditioner and disconnect power
  2. Wait several minutes to allow protections to clear
  3. Reconnect and restart the unit

Technician Only Professional diagnosis

  1. Consult official Daewoo service manual or contact Daewoo support for P3 code definition specific to your model
  2. Use HVAC diagnostic tools to check pressures, sensors and protection circuits
  3. Verify power supply stability and control board status

Parts needed: Pressure sensors (if applicable), Control board electronics, Compressor and protective devices

🛑 When to Call a Pro:
  • If P3 code persists after power reset
  • Unusual noises or smells accompany the fault
  • Unit fails to cool or operate normally

Next step

Choose the next step for P3

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

HVAC Control Board

Controls fan, compressor, sensor, and communication functions in the HVAC unit.

Typical part-only price
$90 - $320
DIY difficulty
Hard
Estimated time
45-120 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Compressor

Compresses refrigerant within the sealed cooling system and requires specialized service equipment.

$180 - $600 · Hard · 120-240 mins

Check fit & price
Model number required

Model-compatible Air Conditioner parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Air Conditioner Fin Cleaner

For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.

View maintenance supply
Maintenance supply

Model-Compatible Washable AC Filter

A reusable filter option only where the appliance supports one. Match the full model, dimensions, and filter specification.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 5-10 kOhms
part_number DAEWOO-TS-001
voltage_rating 220V AC

Common Questions

What does P3 error mean on daewoo air conditioner?

The P3 error indicates a temperature sensor malfunction, affecting cooling performance.

Can I fix daewoo air conditioner P3 error myself?

Yes, try a safety reset by turning off the AC and disconnecting power for a few minutes.

How much does it cost to fix P3 error?

Repair costs vary; consult a technician for an accurate estimate.

When should I call a technician for P3?

Call a technician if the P3 code persists after a reset or if there are unusual noises.

Sources & References

Data last verified: 2026-07-25

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