Daewoo Dehumidifier Error CH

⚡ Quick Answer: The Daewoo dehumidifier CH error indicates a malfunction in the humidity sensor, which may result in erratic display readings or the unit ceasing oper... ✅ DIY Fixable

What Does Error CH Mean?

The Daewoo dehumidifier CH error indicates a malfunction in the humidity sensor, which may result in erratic display readings or the unit ceasing operation. This could suggest that the unit is operating outside of its safe temperature range. To resolve this, check if the unit is placed in an appropriate environment, ensuring that air intake and exhaust vents are unblocked.

Common Symptoms:

  • Unit stops operating and displays ‘CH’ code

Possible Causes

  • Humidity Sensor

How to Fix Error CH

DIY Fix Basic checks when ‘CH’ appears

  1. Turn off and unplug the unit to reset the electronics.
  2. Ensure the unit is placed in a location within normal operating temperature range (avoid excessive heat or cold).
  3. Check that the air intake and exhaust vents are not blocked by objects.
  4. Empty the water tank and reseat it correctly in the dehumidifier.

Technician Only Service inspection for persistent ‘CH’

  1. Verify ambient and internal temperature sensor readings with diagnostic tools.
  2. Inspect temperature/humidity sensors and wiring harness for damage or loose connections.
  3. Check control board error logs if available and consult official Daewoo service documentation.
  4. Test the compressor and refrigerant system for operational abnormalities if temperature protection is suspected.

Parts needed: Temperature sensor(s), Control board/electronics, Wiring harness

🛑 When to Call a Pro:
  • If the error persists after basic resets and environmental adjustments.
  • If there is any sign of smoke, burning smell, or abnormal noise from the unit.
  • If the unit is outside the warranty period and requires parts replacement.

Next step

Choose the next step for CH

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

Temperature Sensor

Monitors the internal temperature to ensure correct operation and prevent overheating.

Typical part-only price
$15 - $35
DIY difficulty
Easy
Estimated time
15-30 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

HVAC Control Board

Controls fan, compressor, sensor, and communication functions in the HVAC unit.

$90 - $320 · Hard · 45-120 mins

Check fit & price

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Technical Specifications

wattage 300W
component Humidity Sensor
resistance 5-10 ohms
part_number DHP-SENSOR-01
voltage_rating 120V AC

Common Questions

What does CH error mean on daewoo dehumidifier?

The CH error indicates a humidity sensor malfunction, causing erratic readings or halting operation.

Can I fix daewoo dehumidifier CH error myself?

Yes, you can reset the unit by unplugging it, checking the placement, and ensuring vents are clear.

How much does it cost to fix CH error?

Repair costs range from $50 to $300, depending on the parts needed and your location.

When should I call a technician for CH?

Call a technician if the CH error persists after resets, or if you notice smoke, burning smells, or odd noises.

Sources & References

Data last verified: 2026-04-23

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