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LG•Dryer (Steam Feature)

Analysis by Lukas & Team

LG Dryer Steam Feature Not Working: Troubleshooting Guide

LG Dryer steam feature malfunction? Diagnose and fix the issue with our guide. Safety tips for Canadian homes included.

Frequently Asked Questions

•Is my LG dryer still under warranty?

Check your purchase receipt or contact LG Canada with the model and serial number to determine warranty coverage. Common warranty periods are 1 year for parts and labour, and 5-10 years for the motor.

•Where can I find the LG dryer service manual?

LG service manuals are typically available to authorized service technicians. However, you may find some information online through appliance repair forums or parts suppliers. Be cautious when using unofficial manuals.

•What type of descaling solution should I use for my LG dryer steam generator?

Consult your dryer's user manual for the recommended descaling solution. Use a solution specifically designed for appliances to avoid damaging the steam generator. A diluted citric acid solution is often suitable.

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About Lukas & Team

Lukas leads the technical research department at Digital Home Faults. Together with a team of systems analysts, he specializes in translating complex manufacturer error codes into actionable diagnostic steps for the Canadian market.

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Common Causes:

Insufficient water pressure at the water inlet (check municipal water supply, especially during peak usage times).
Clogged or kinked water supply hose to the dryer.
Faulty water inlet valve (electrically test for continuity).
Defective steam generator heating element (resistance check needed).
Malfunctioning temperature or water level sensor.
Firmware glitch preventing proper steam feature activation. High mineral content in water supply causing buildup in the steam generator.

Safety Warning:

Always disconnect power to the dryer at the breaker before performing any maintenance or repairs. Water and electricity create a dangerous combination. Never tamper with safety interlocks or bypass safety features. Incorrect repairs can lead to electric shock, fire, or water damage. Ensure proper grounding of the appliance. Back up LG ThinQ credentials using a password manager to prevent unauthorized access.

Recommended Action:

1

Verify water supply pressure to the dryer is within the manufacturer's specifications (typically 20-120 psi). Use a pressure gauge.
2

Inspect the water supply hose for kinks, clogs, or damage. Replace if necessary.
3

Use a multimeter to test the water inlet valve for proper operation. If no continuity, replace the valve.
4

Disconnect power to the dryer (breaker lockout). Access the steam generator and test the heating element for continuity. Replace if open circuit.
5

Check the LG ThinQ app for firmware updates and install any available updates. Note any error codes and provide them to LG support.
6

Descale the steam generator following manufacturer instructions using appropriate descaling solution (refer to the dryer's service manual).
7

For Canadian winters, ensure the water supply lines are insulated to prevent freezing, which can damage the inlet valve.

How It Works:

The LG dryer's steam feature relies on a water inlet valve, a small heating element to generate steam, and a steam nozzle to distribute the steam within the drum. The system monitors water levels and heating element temperature via sensors. Communication occurs via a proprietary LG protocol over Wi-Fi with the LG ThinQ cloud service, using standard 2.4 GHz band. Power consumption spikes during steam generation, potentially causing voltage dips. The system uses a PID controller to maintain optimal steam temperature.

Observed Symptoms:

Dryer cycle terminates prematurely when the steam feature is selected. The control panel may display an error code related to water supply or steam generation (check the LG ThinQ app for detailed error logs). Alternatively, the steam function may activate, but no visible steam is produced, and the clothes remain dry.

Preventative Care:

Inspect and clean the water inlet filter screen every 6 months.
Run the dryer's self-cleaning cycle (if available) every month to prevent mineral buildup.
Periodically check for firmware updates via the LG ThinQ app.
Monitor water pressure and consider installing a water softener if hard water is a problem.
Check the water supply hoses for wear and tear annually and replace them every 5 years.