LG · Dryer
IF
Professional service recommendederror code
LG IF means the dryer is not detecting the lint filter correctly.
Market, product family, and model applicability
US · en-US · LG dryers covered by the US Help Library index covered by the cited official US support page
product family applicable: The official source applies at the product-family level. Exact controls can still vary by model.
Check the official model/manual lookup (opens in a new tab)What you can do now
Make sure both lint-filter parts are assembled correctly and securely in place.
- Make sure both lint-filter parts are correctly assembled and securely installed.
Stop and get service when
Request LG service if IF persists with the filter correctly installed.
- Request LG service if IF persists with the filter correctly installed.
Do not do
Do not open the dryer or bypass the lint-filter sensor.
Limit checks to the removable lint filter and its visible magnet; do not access internal sensors.
If the message returns
If IF persists with no lint-filter issue, request LG service.
Source and scope
Official manufacturer source- Market and locale
- US · en-US
- Product family
- dryers covered by the US Help Library index
- Official source last checked
- July 22, 2026
- Review status
- Automated evidence review completed · Owner-delegated approval
LG
LG Dryer - Error Code List (New) · Official error-code index
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