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Error code reference

GE Dryer Error Code CLg

Duct/vent blockage detected; dryer will continue to operate but display may appear intermittently as vent…

GE codesGE dryer codes

Duct/vent blockage detected; dryer will continue to operate but display may appear intermittently as vent condition deteriorates.

First step from the service manual

Initiate a duct condition test by pressing DAMP ALERT and TEMP buttons simultaneously while holding, then press POWER pad.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What CLg means on a GE dryer

The CLg error code on a GE dryer indicates that the control board has detected a duct or vent blockage condition. The dryer uses airflow and temperature sensors to monitor exhaust performance during operation. When the system determines that airflow is restricted beyond an acceptable threshold, it triggers the CLg alert. Importantly, the dryer will continue to run when this code appears, but the code may display intermittently and with increasing frequency as the vent restriction worsens over time.

The venting system is critical to safe and efficient dryer operation. Hot, moist air produced during the drying cycle must be expelled through the exhaust duct to the exterior of the home. When lint buildup, a crushed duct, a blocked exterior vent cap, or excessive duct length restricts this airflow, exhaust temperatures rise and drying times increase. The dryer's sensors detect these abnormal thermal and airflow conditions and flag the CLg code as a warning before the situation becomes a thermal safety event.

To formally assess the duct condition, GE provides a built-in duct condition test. To initiate it, press and hold both the DAMP ALERT and TEMP buttons simultaneously, then press the POWER pad while still holding the other two. This test mode allows the control system to evaluate airflow performance and give a more definitive result about the severity of the blockage. Clearing the CLg code requires resolving the underlying restriction, not simply resetting the appliance.

Source: manufacturer service documentation.

Common causes of CLg

  1. 01

    Lint buildup in the exhaust duct

    Wiring / connection

    Accumulated lint inside the dryer duct is the most frequent cause of this code. Over time, lint coats the interior walls of the ductwork, narrowing the passage and restricting airflow. Disconnect the duct and inspect or use a vent cleaning brush kit to clear it.

  2. 02

    Blocked exterior vent cap

    Wiring / connection

    The vent cap on the outside of the home can become clogged with lint, debris, bird nests, or ice in cold climates. Check that the exterior flap opens freely and that the opening is unobstructed.

  3. 03

    Crushed or kinked duct

    Part replacement

    Flexible duct behind the dryer can become kinked or crushed if the unit is pushed too close to the wall. This physically restricts airflow even if no lint is present. Pull the dryer out and inspect the duct for any deformation.

  4. 04

    Excessive duct length or too many bends

    Part replacement

    Duct runs that are too long or include multiple 90-degree elbows create enough resistance to trigger the CLg code even without a blockage. Compare the installed duct length and configuration against the maximum allowed for your model.

  5. 05

    Clogged lint screen or lint screen housing

    Wiring / connection

    A severely clogged lint screen or lint buildup in the screen housing slot can contribute to reduced airflow and may appear alongside a duct restriction. Clean the lint screen before every load and periodically clean the housing with a vacuum.

See the test procedure for each cause

Frequently asked questions about CLg

What does CLg mean on a GE dryer?
CLg on a GE dryer means the appliance has detected a blockage or restriction in the exhaust duct or vent system. The dryer monitors airflow and temperature conditions during operation and triggers this code when those readings fall outside acceptable limits. The dryer will continue to operate, but the code will appear more frequently as the vent condition worsens. The root cause must be addressed to clear it.
How do I fix the CLg error code on my GE dryer?
Start by cleaning the lint screen and then inspect the full length of the exhaust duct for lint buildup, kinks, or crushing. Also check the exterior vent cap to confirm it opens freely and is not obstructed. To run the built-in duct condition test, press and hold the DAMP ALERT and TEMP buttons at the same time, then press the POWER pad while holding both. Once the physical restriction is cleared, the code should stop returning.
Is it safe to keep using my GE dryer when CLg is displayed?
The dryer will continue to run when CLg appears, but continuing to use it with a restricted vent is not advisable. A blocked exhaust duct causes heat to build up inside the appliance, which increases drying times, reduces efficiency, and raises the risk of a thermal event over time. Addressing the vent restriction promptly is strongly recommended.
Will resetting my GE dryer clear the CLg code?
Simply resetting the dryer will not permanently clear the CLg code if the underlying vent restriction is still present. Because the dryer actively monitors airflow conditions during each cycle, the code will return as soon as it detects the same restricted airflow. The physical cause of the blockage must be identified and corrected first.
How much does it cost to fix a CLg duct blockage on a GE dryer?
If the fix is a simple cleaning of the lint screen and accessible duct sections, the cost can be minimal, just the price of a vent cleaning brush kit, typically in the range of $15 to $40. If the ductwork needs to be replaced due to crushing or an improper installation, material and labor costs can range from $75 to $250 or more depending on the complexity of the run. Professional vent cleaning services typically range from $80 to $175.

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