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lg | air-conditioner Error Codes: Troubleshooting, Fixes & Prevention Tips explained below.

What Does CH32 Mean?❓

CH32 appears when the temperature sensor on the discharge pipe detects overheating beyond the operational threshold. The system shuts down or limits operation to protect the compressor and refrigerant system from damage caused by excessive heat.

air-conditioner - Causes of CH32 Error

  • Dirty or blocked condenser coils
  • Insufficient refrigerant
  • Faulty or misaligned temperature sensor
  • Obstructed airflow around outdoor unit
  • Excessive ambient temperature

air-conditioner - How to Fix CH32 Error❓

  • Turn off the AC

    1. Let the unit rest for 10–15 minutes.
    2. This may allow the temperature to normalize.

  • Clean Condenser Coils

    1. Use a brush or vacuum to remove dust and debris.
    2. Ensure proper airflow.

  • Inspect Temperature Sensor

    1. Check if the discharge pipe sensor is loose or damaged.
    2. Replace if faulty.

  • Check Refrigerant Levels

    1. Call a technician to test refrigerant pressure.
    2. Refill if it’s low.

  • Improve Ventilation

    1. Clear space around outdoor unit.
    2. Avoid placing it near heat sources.

air-conditioner - Helpful Tips

  • Clean outdoor coils regularly.
  • Never block air around the unit.
  • Avoid running AC at max settings during peak heat.
  • Get refrigerant checked annually.
  • Ensure proper installation in shaded area.

Frequently Asked Questions❓

Question: Can I continue to use the AC with CH32?
Answer: No, it may damage the compressor.
Question: Does CH32 always mean sensor failure?
Answer: Not always — it may be high temperature due to airflow issues.
Question: How expensive is the repair?
Answer: Typically between ₹500 to ₹3000, depending on the cause.

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