Lg Dehumidifier Error CH24

⚡ Quick Answer: The LG dehumidifier CH24 error code indicates a compressor overload, often resulting in the unit failing to operate and producing unusual humming soun... ✅ DIY Fixable

What Does Error CH24 Mean?

The LG dehumidifier CH24 error code indicates a compressor overload, often resulting in the unit failing to operate and producing unusual humming sounds. This issue is typically caused by airflow obstructions or a malfunctioning pressure switch that affects the internal pressure of the unit.

Common Symptoms:

  • Error code CH24 appears on display
  • Unit stops normal operation when the error is shown

Possible Causes

  • Airflow obstruction / poor ventilation affecting internal pressure (medium)
  • Pressure switch or related sensor malfunction (medium)

How to Fix Error CH24

DIY Fix Check airflow and reset unit

  1. Turn off and unplug the dehumidifier.
  2. Remove any items blocking the air intake or exhaust.
  3. Reposition the unit to ensure it has at least several feet of clear space around it for proper ventilation.
  4. Plug the unit back in and power it on.
  5. Observe if the CH24 error reappears.

Technician Only Inspect and test pressure switch / internal sensors

  1. Disconnect power and open the unit’s access panel.
  2. Visually inspect the pressure switch and tubing for signs of damage, disconnection, or blockage.
  3. Use a multimeter to test the pressure switch for correct electrical operation according to the service manual specifications.
  4. Replace the pressure switch or related components if found faulty.

Parts needed: Pressure switch, Associated pressure tubing

🛑 When to Call a Pro:
  • If the CH24 error persists after airflow checks and reset
  • If internal components (pressure switch, tubing) appear damaged or malfunctioning when inspected

Technical Specifications

wattage 350W
component Compressor
resistance 5-10 ohms
part_number LG 4681A20001B
voltage_rating 115V AC

Common Questions

What does CH24 error mean on lg dehumidifier?

CH24 indicates a compressor overload, causing the unit to stop operating and produce humming sounds.

Can I fix lg dehumidifier CH24 error myself?

Yes, check for airflow obstructions and reset the unit by unplugging it and removing any blockages.

How much does it cost to fix CH24 error?

Estimated repair costs range from 30 to 150 USD for parts, depending on the model and region.

When should I call a technician for CH24?

Call a technician if the CH24 error persists after checking airflow or if internal components appear damaged.

Sources & References

Data last verified: 2026-01-10

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