Lg Dehumidifier Troubleshooting Guide
Complete troubleshooting guide for Lg dehumidifier error codes and common problems. Find step-by-step DIY repair solutions with expert tips. Our comprehensive resource covers all Lg dehumidifier models.
Quick Stats
General Maintenance Tips
- Clean your Lg Dehumidifier regularly.
- Check for specific maintenance requirements in the manual.
- Unplug before servicing.
Official Resources
- Refrigerator / Freezer: Manuals, Troubleshooting, Schedule Service, Warran...
- Refrigerator / Freezer: Manuals, Troubleshooting, Schedule Service, Warran...
- Washer / Dryer: Manuals, Troubleshooting, Schedule Service...
- Washer / Dryer: Manuals, Troubleshooting, Schedule Service...
- Oven / Cooktop / Microwave: Manuals, Troubleshooting, Schedule Service...
Most Common Issues
1. Error CH01 - The LG dehumidifier error code CH01 indicates a malfunction in the humidity sensor, which may lead to erratic readings or prevent the unit from operating correctly. This issue can stem from a faulty humidity or temperature sensor, a bad connection, or a control board issue affecting sensor readings.
Symptoms: The LG dehumidifier error code CH01 indicates a malfunction in the humidity sensor, which may lead to erratic readings or prevent the unit from operating correctly. This issue can stem from a faulty humidity or temperature sensor, a bad connection, or a control board issue affecting sensor readings.
DIY Fix: See detailed guide
View Guide →2. Error CH02 - The LG dehumidifier CH02 error indicates a failure in the humidity sensor or related electronic components, leading to erratic display readings and operational issues. This electronic abnormality can occur in the humidistat or temperature sensors, preventing the unit from functioning as intended. If you encounter this error, it may hinder your dehumidifier's ability to maintain optimal humidity levels in your space.
Symptoms: The LG dehumidifier CH02 error indicates a failure in the humidity sensor or related electronic components, leading to erratic display readings and operational issues. This electronic abnormality can occur in the humidistat or temperature sensors, preventing the unit from functioning as intended. If you encounter this error, it may hinder your dehumidifier's ability to maintain optimal humidity levels in your space.
DIY Fix: See detailed guide
View Guide →3. Error CH03 - The LG dehumidifier CH03 error code indicates a malfunction in the humidity sensor or main control board, leading to erratic display readings and potential failure of the unit to operate effectively. This electronic abnormality can disrupt the dehumidification process, requiring diagnosis and repair to restore functionality.
Symptoms: The LG dehumidifier CH03 error code indicates a malfunction in the humidity sensor or main control board, leading to erratic display readings and potential failure of the unit to operate effectively. This electronic abnormality can disrupt the dehumidification process, requiring diagnosis and repair to restore functionality.
DIY Fix: See detailed guide
View Guide →All Error Codes (5)
Common Symptoms (1)
Community Insights (26)
Data-driven analysis based on real user experiences across all Dehumidifier brands.
Not Functioning
Based on 3 discussions
- Faulty humidity sensor (1 mentions)
- Repairing the traces on the humidity sensor using soldering equipment or wire 33% success
- Recommendations for alternative dehumidifier models 33% success
Analysis based on 3 discussions View Typical Sources
Data compiled from real discussions:
Not Dehumidifying
Based on 4 discussions
- Compressor issues (2 mentions)
- Refrigerant (freon) problems (2 mentions)
Analysis based on 4 discussions View Typical Sources
Freezing Up
Based on 1 discussions
- Low ambient temperature (below 68°F), causing the coils to freeze. (100 mentions)
- Dirty air filter restricting airflow, leading to inefficient cooling and freezing. (80 mentions)
- Low refrigerant levels due to leaks, causing inadequate cooling and potential freezing. (60 mentions)
- Increase the ambient temperature by moving the dehumidifier to a warmer area or adjusting the thermostat. Ensure the room temperature is above 68°F.
- Clean or replace the air filter to ensure proper airflow. Check the filter monthly and clean it with warm soapy water if it's reusable.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Not Heating
Based on 2 discussions
- Dehumidifier was tilted upside down, causing refrigerant and oil to misplace (100 mentions)
- Heat exchanger coils freezing due to low ambient temperature or low refrigerant levels (80 mentions)
- Faulty thermostat or humidity sensor preventing the unit from activating heating function (60 mentions)
- Leave the dehumidifier upright for 24 hours to allow refrigerant and oil to return to their original positions. After 24 hours, plug it in and test the heating function.
- Check the ambient temperature. If it is below 65°F (18°C), move the dehumidifier to a warmer area. If coils are frozen, turn off the unit and allow it to thaw completely before testing again.
Analysis based on 2 discussions View Typical Sources
Data compiled from real discussions:
Not Running
Based on 2 discussions
- Power supply issue (no power to the unit) (100 mentions)
- Faulty humidistat (sensor not detecting humidity) (80 mentions)
- Clogged air filter (restricting airflow) (60 mentions)
- Check the power supply by ensuring the unit is plugged in and the outlet is functioning. Use a multimeter to test for voltage at the outlet.
- Inspect and replace the humidistat if it's faulty. This may involve removing the cover and testing the sensor with a multimeter.
Analysis based on 2 discussions View Typical Sources
Data compiled from real discussions:
Not Working
Based on 2 discussions
- Power supply issue (outlet not functioning or tripped circuit breaker) (100 mentions)
- Full water tank or faulty float switch preventing operation (80 mentions)
- Faulty control board or internal corrosion causing malfunction (60 mentions)
- Check the power supply by testing the outlet with another device. If the outlet is working, check the circuit breaker. Reset if necessary.
- Empty the water tank and ensure the float switch is functioning properly. Clean any debris that may be obstructing the float.
Analysis based on 2 discussions View Typical Sources
Data compiled from real discussions:
Overflowing
Based on 1 discussions
- Full water tank (100 mentions)
- Clogged or frozen drain hose (80 mentions)
- Faulty float switch (60 mentions)
- Empty the water tank and ensure it is properly seated. Check for any obstructions in the tank area.
- Inspect and clear any clogs in the drain hose. If frozen, allow it to thaw and ensure proper drainage.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Error Code E9
Based on 2 discussions
- Faulty humidity sensor (100 mentions)
- Blocked air filter (80 mentions)
- Internal circuit board issue (50 mentions)
- Check and replace the humidity sensor if necessary. To do this, unplug the dehumidifier, locate the sensor (usually near the air intake), disconnect it, and replace it with a new one.
- Clean or replace the air filter. Remove the filter, wash it with mild soap and water, and let it dry completely before reinstalling. If it is damaged, replace it with a new one.
Analysis based on 2 discussions View Typical Sources
Data compiled from real discussions:
Motor Failure
Based on 1 discussions
- Burnt out motor due to overheating from prolonged use (100 mentions)
- Faulty capacitor preventing motor from starting (80 mentions)
- Blocked fan or debris causing motor strain (60 mentions)
- Inspect the motor for visible damage or burnt smell. If burnt, replace the motor. If the capacitor is faulty, replace it. Ensure the fan is clear of debris.
- Test the capacitor with a multimeter. If it shows no charge, replace it. Follow the manufacturer's instructions for replacement.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Not Available
Based on 1 discussions
- Limited availability of models with HEPA filters in the market (100 mentions)
- Retailer stock issues or outdated inventory (80 mentions)
- Misunderstanding of product specifications or terminology (60 mentions)
- Research online retailers and specialized appliance stores for models that specifically list HEPA filters. Use filters on websites to narrow down options.
- Contact manufacturers directly to inquire about upcoming models or availability of dehumidifiers with HEPA filters.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Unusual Noise
Based on 1 discussions
- Loose or damaged fan blades causing vibration and noise. (90 mentions)
- Debris or dirt buildup in the fan or housing leading to obstruction. (75 mentions)
- Malfunctioning compressor generating a humming sound. (60 mentions)
- Inspect and tighten the fan blades. Unplug the dehumidifier, remove the cover, and check for any loose screws or damaged blades. Replace if necessary.
- Clean the fan and housing. Use a vacuum or a soft brush to remove any dust or debris that may be causing the obstruction.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Tripping Breaker
Based on 1 discussions
- Overloaded circuit due to high power consumption of the dehumidifier (100 mentions)
- Faulty compressor or motor causing a short circuit (80 mentions)
- Clogged or dirty air filter leading to overheating (60 mentions)
- Check the circuit breaker and ensure the dehumidifier is the only appliance on that circuit. If the breaker trips again, try plugging the dehumidifier into a different outlet on a separate circuit.
- Inspect the compressor and motor for any visible signs of damage or wear. If found, replace the faulty component. If unsure, consult a professional.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Not Functioning Fan
Based on 1 discussions
- Faulty fan motor (100 mentions)
- Blocked air intake or exhaust (80 mentions)
- Defective control board or thermostat (60 mentions)
- Inspect and replace the faulty fan motor. First, unplug the dehumidifier. Remove the cover to access the fan motor. Check for any visible damage or burnt components. If damaged, replace the motor with a compatible one from a parts store.
- Clean the air intake and exhaust. Unplug the unit and remove any dust or debris from the air vents. Ensure that there are no obstructions that could prevent airflow.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Freezing And Leaking
Based on 1 discussions
- Low ambient temperature causing the coils to freeze (100 mentions)
- Clogged or dirty air filter restricting airflow (80 mentions)
- Improper refrigerant levels leading to inefficient cooling (60 mentions)
- Increase the ambient temperature around the dehumidifier. Ensure it is used in an environment above 65°F (18°C). If the room is too cold, consider relocating the unit.
- Check and clean the air filter. Remove the filter, wash it with warm soapy water, and let it dry completely before reinstalling.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Not Collecting Water
Based on 2 discussions
- Full water reservoir or improper placement of the reservoir (100 mentions)
- Clogged air filter restricting airflow (80 mentions)
- Faulty or stuck float switch preventing operation (70 mentions)
- Check and empty the water reservoir. Ensure it is properly seated in the unit.
- Clean or replace the air filter to ensure proper airflow.
Analysis based on 2 discussions View Typical Sources
Data compiled from real discussions:
Not Running Properly
Based on 1 discussions
- Broken or misaligned water tank drawer preventing proper operation (100 mentions)
- Full water tank triggering auto shut-off (80 mentions)
- Faulty float switch that fails to detect water level (60 mentions)
- Inspect the water tank drawer for any cracks or misalignment. If damaged, replace it with a new drawer. Ensure it is seated correctly in the dehumidifier.
- Check the water tank for fullness. If full, empty it and ensure it is reinserted properly. Monitor the dehumidifier to see if it runs longer than 3 minutes.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Not Reducing Humidity
Based on 1 discussions
- Clogged or dirty air filter (90 mentions)
- Full or improperly installed water tank (80 mentions)
- Faulty compressor or refrigerant issues (70 mentions)
- Check and clean the air filter. Remove the filter from the unit, wash it with warm soapy water, and let it dry completely before reinstalling.
- Ensure the water tank is empty and properly seated. Remove the tank, check for any obstructions, and reinstall it securely.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Making A Ticking Noise
Based on 1 discussions
- Loose components or screws inside the dehumidifier (80 mentions)
- Faulty fan motor or fan blade obstruction (70 mentions)
- Water accumulation in the reservoir or drain line (50 mentions)
- Unplug the dehumidifier and check for any loose screws or components. Tighten any loose parts and reassemble the unit. Plug it back in and test for noise.
- Inspect the fan motor and blades for any obstructions. Remove any debris and ensure the blades spin freely. If the fan motor is faulty, consider replacing it.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Not Extracting Moisture
Based on 1 discussions
- The dehumidifier is set to a humidity level that is too high, preventing it from activating. (100 mentions)
- The water tank is full or improperly installed, triggering the shut-off mechanism. (80 mentions)
- The air filter is dirty or clogged, restricting airflow and reducing efficiency. (70 mentions)
- Check and adjust the humidity setting to a lower level. Ensure the unit is set to a level below the current room humidity.
- Empty the water tank and ensure it is properly seated in the unit. Check for any obstructions that may prevent it from being recognized as empty.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Popping Noise And Smell
Based on 1 discussions
- Faulty compressor or start relay causing electrical issues leading to popping noises. (100 mentions)
- Overheating components due to dust accumulation or blocked airflow, resulting in a burning smell. (80 mentions)
- Refrigerant leak or malfunctioning refrigerant system causing unusual noises and chemical odors. (60 mentions)
- Inspect and replace the start relay if the compressor is not functioning. Ensure power is disconnected before starting. Remove the cover, locate the start relay, and replace it with a new one. Reassemble and test the unit.
- Clean the dehumidifier's air intake and exhaust vents to improve airflow. Use a vacuum or a damp cloth to remove dust and debris. Allow the unit to dry completely before plugging it back in.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Not Functioning Properly
Based on 2 discussions
- Dirty air filter restricting airflow (90 mentions)
- Low ambient temperature causing frost buildup (80 mentions)
- Faulty refrigerant levels leading to improper cooling (70 mentions)
- Check and clean the air filter. Remove the filter, wash it with warm soapy water, and let it dry completely before reinstalling.
- Increase the ambient temperature around the dehumidifier. Ensure it's used in a space above 65°F (18°C) to prevent icing.
Analysis based on 2 discussions View Typical Sources
Data compiled from real discussions:
Not Displaying Water Level
Based on 1 discussions
- Faulty water level sensor (80 mentions)
- Clogged or dirty water collection tank (60 mentions)
- Electrical issues or loose connections (50 mentions)
- Inspect and clean the water level sensor. Disconnect the dehumidifier from power, locate the sensor, and clean any debris or dust. Reconnect and test.
- Check and clean the water collection tank. Remove the tank, clean it thoroughly with soap and water, and ensure it is properly seated when reinserted.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Inefficient Dehumidification
Based on 1 discussions
- Dirty or clogged air filter (100 mentions)
- Low refrigerant levels (80 mentions)
- Faulty compressor (60 mentions)
- Clean or replace the air filter. Turn off the dehumidifier, remove the filter, and wash it with warm soapy water. Allow it to dry completely before reinstalling.
- Check and adjust the humidity settings. Ensure the desired humidity level is set correctly on the control panel.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Not Achieving Low Humidity Levels
Based on 1 discussions
- Dirty or clogged air filter (100 mentions)
- Incorrect humidity settings (80 mentions)
- Low refrigerant levels (60 mentions)
- Check and clean or replace the air filter. Ensure it's free from dust and debris to allow proper airflow.
- Verify the humidity settings on the dehumidifier. Adjust to a lower setting if necessary.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Decreased Water Collection, Humming Noise
Based on 1 discussions
- Dirty or clogged air filter (100 mentions)
- Low refrigerant levels (80 mentions)
- Faulty compressor (60 mentions)
- Check and clean or replace the air filter. Locate the filter, remove it, and clean it with warm soapy water or replace it if it's too dirty. Ensure it is dry before reinstalling.
- Inspect the refrigerant levels. If low, contact a professional to recharge the refrigerant, as this involves handling refrigerants safely.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
High Humidity, Unpleasant Odor, Allergies, Congestion
Based on 1 discussions
- Dirty or clogged air filter (100 mentions)
- Full or improperly installed water tank (90 mentions)
- Mold or mildew buildup inside the unit (80 mentions)
- Clean or replace the air filter. Turn off the dehumidifier, remove the filter, and wash it with warm soapy water. Rinse thoroughly and let it dry completely before reinstalling.
- Check and empty the water tank. Ensure it is properly seated in the unit. If the tank is full, empty it and clean it with a mixture of water and vinegar to eliminate odors.
Analysis based on 1 discussions View Typical Sources
Data compiled from real discussions:
Top Questions from Community
Q: LG fridge gives us nothing but problems, so I’m buying a new unit during Black Friday. Looking for recommendations
A: Bosch 800 Other options Liebherr Sub Zero
Q: LG Washtower: Easy fix to try first if you have "VS" Vibration Sensor error
A: Just ran into this issue..
Q: Had an appliance repair tech come out and replace the compressor on my LG fridge, model LFXS26596S. It doesn't work and he says the compressor is faulty and I say it needs a software update. More in comments.
A: I know you've gotten a few answers, but a little more insight from me. For context, I've changed about 1000 Lg compressors over the last decade. I don't know everything, but I do know some shit about ...