Most Common LG Refrigerator Problems (and How to Fix Them)

LG refrigerators are among the most popular in Toronto and the GTA, known for their stylish French-door designs and technology-forward features. But over nearly a decade of servicing LG appliances across the region, our technicians have identified a set of recurring problems that affect specific model generations. Knowing what to look for can help you diagnose faster and avoid unnecessary panic.

This guide covers the four most common LG fridge problems we encounter, what causes them, and what the repair typically involves.

1. Linear Compressor Failure

This is the issue that has generated the most attention for LG refrigerators in Canada. LG's linear compressor technology — used across many of their French-door and side-by-side models — is marketed for quieter operation and energy efficiency. In practice, certain batches produced between 2016 and 2021 have shown premature compressor failure at 5–9 years of age.

Symptoms:

• Fridge is warm despite running (fan and interior lights work normally)
• A clicking or knocking sound every 5–10 minutes as the compressor tries to start
• Freezer may appear to function while the fresh food section warms up
• Er codes on the display

What to do first: Check whether your unit falls under LG Canada's extended compressor warranty. LG offers a 10-year warranty on the linear compressor component in Canada — contact LG at 1-888-542-2623 with your model and serial number before booking any third-party repair. If out of warranty, our team can source and install LG OEM replacement compressors.

2. Ice Maker Failure and Ice Production Issues

LG ice makers — particularly the dual ice maker systems found in high-end models — are a frequent repair topic. The most common failure is the ice maker freezing over internally, which prevents the auger from turning and stops ice production entirely. A secondary common issue is the water inlet valve clogging with mineral deposits, especially in Toronto's moderately hard water.

Symptoms:

• No ice being produced despite water supply being connected
• Ice maker makes grinding noise but produces no ice
• Ice clumps or comes out as a solid mass
• Error code "Er IS" on the display

DIY step to try: Reset the ice maker by holding the test button for 5 seconds. If the ice maker doesn't start a cycle, initiate a manual defrost: press and hold the fridge and freezer temperature buttons simultaneously for 5 seconds until "FF" appears on the display, then press the right arrow button to cycle to "rd" (refrigerator defrost). Let the unit run through a complete defrost cycle before testing again.

If the ice maker still fails after defrost and reset, the assembly or water inlet valve likely needs replacement — a $120–$200 repair.

3. Cooling Fan and Evaporator Issues

LG uses a dual evaporator system in many models, with a dedicated evaporator for the fresh food section and one for the freezer. When the fresh food evaporator fan fails or the evaporator freezes over (due to a defrost heater failure), the fridge section loses cooling while the freezer remains functional.

Symptoms:

• Fridge section is warm, freezer section is at normal temperature
• Unusual noise from the back wall of the fridge interior
• Display shows "Er dH" (defrost heater issue) or "Er rF" (refrigerator fan issue)

Evaporator fan motor replacement runs $140–$220. Defrost heater replacement runs $100–$180. Both are reasonable repairs on any LG fridge under 10 years old.

4. LG Error Codes: Quick Reference

Getting Your LG Fridge Fixed in Toronto

Our technicians are factory-trained on LG appliances and carry genuine LG OEM parts in their service vans. We service all LG fridge models including French-door, side-by-side, top-mount, and bottom-freezer configurations across Toronto and the GTA.

Learn more about our LG appliance repair service in Toronto or call us directly to book a same-day diagnostic visit.

Frequently Asked Questions

Related: More Appliance Repair Guides  ·  LG Appliance Repair Toronto