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.

Based on diagnostic data

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 components that may be involved

Check these only if your diagnosis points to them.

Possible related component

Compressor

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

$180 - $600 · Hard · 120-240 mins

Professional diagnosis

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair 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: 2026-04-23

User Comments (0)

Share your experience or solution below.

Be the first to comment!