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

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

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