LG owners in O'Fallon usually want two things from a repair company: experience with the brand and quick access to parts. We flag companies whose listing or website mentions LG and fill in with nearby appliance repair companies so you always have options.
Dishwasher Repairs is independent and not affiliated with LG. Listed companies are independent technicians who repair LG dishwashers and other brands.
LG Dishwasher Repair Near O'Fallon
Within 30 miles of O'Fallon there are 40 appliance repair companies in our data. The rest are spread across St. Louis (7), St Peters (5), and Florissant (4). No company within 30 miles of O'Fallon names LG in its listing, so the list adds matches from farther out and the closest appliance repair companies. The closest is Crossroads Supply, about 2.5 miles away. Across 30 rated companies, the average public rating is 4.2 stars.
Companies are shown by relevance and distance from O'Fallon. A mention does not mean manufacturer certification, so ask each company about its experience with your dishwasher.
| Appliance repair companies in range (30 mi) | 60 |
|---|---|
| Mention LG | 0 |
| Three nearest companies, miles away | 2.5, 3.0, 4.4 |
| Rated 4.5 stars or higher (10+ reviews) | 21 |
| Open on Saturdays (per listing) | 42 |
| Mention dishwasher work | 0 |
Closest matches for O'Fallon: Sears Appliance Repair (67.7 miles away, based in Mexico, 4.3 stars from 34 reviews, lists Saturday hours); Sears Appliance Repair (85.7 miles away, based in Perryville, 4.6 stars from 132 reviews, lists Saturday hours); Sears Appliance Repair (69.5 miles away, based in Jacksonville, 4.3 stars from 45 reviews, lists Saturday hours); Hoffmann Brothers (16.5 miles away, based in St. Louis, 4.9 stars from 6,545 reviews, lists Saturday hours).
Know Your LG Dishwasher
How LG Dishwashers Are Built
QuadWash models run four spray arms rather than two, so a blocked or damaged arm is one of several parts a tech checks for poor cleaning. Source: LG USA - 24 Inch Smart Dishwasher with QuadWash and Adjustable 3rd Rack, 44dB
An overfill flow switch shuts the unit off when it senses too much water, and it can take up to 48 hours of drying with the power off for the switch to reset. Source: LG USA Support - LG Dishwasher Error Code List
What LG Says to Check First
- Dishwasher making noise. LG treats fill whistling and some air-sucking sounds as normal, says rattling usually means loose dishes or an unseated filter, and flags squealing or grinding as a possible pump problem. Source: LG USA Support - LG Dishwasher Noises
- Dishwasher not filling. LG says to confirm the house has water, straighten a kinked inlet hose and make sure the supply valve under the sink is fully open. Source: LG USA Support - [LG Dishwasher] Guide to Error Codes
LG Dishwasher Error Codes
| Code | What it means |
|---|---|
| HE | The heater is not warming the incoming water and needs a technician. Source: LG USA Support - [LG Dishwasher] Guide to Error Codes |
| F31 | The heat-dry fan motor is not running, on models with Dynamic Heat Dry. Source: LG USA Support - [LG Dishwasher] Guide to Error Codes |
| F37 | The Auto Open Door feature is not working; check that nothing blocks the door, then get service. Source: LG USA Support - [LG Dishwasher] Guide to Error Codes |
Full list: LG Dishwasher Error Codes Explained.
On Wi-Fi models, LG's ThinQ Care sends usage, maintenance and diagnostic alerts to the owner's smartphone. Source: LG USA - 24 Inch Smart Dishwasher with QuadWash and Adjustable 3rd Rack, 44dB
When to Call for LG Dishwasher Repair
- Grinding, humming or buzzing during the cycle
- Water on the floor in front of the dishwasher
- Dishes stay wet at the end of the cycle
What a Dishwasher Repair Technician Checks
Keeping a LG Dishwasher Running
- Use only automatic dishwasher detergent, filled no higher than the marked lines, and never hand dishwashing liquid. Source: LG USA Support - LG Dishwasher: How to Fix Common Leaking Issues
- Wipe food and grease buildup off the door gasket so the door seals properly. Source: LG USA Support - LG Dishwasher: How to Fix Common Leaking Issues
Budgeting for a LG Dishwasher Repair
Price the repair before replacing a LG dishwasher. Published ranges for common jobs:
- Heating element replacement: $150–$300 Source: Fixr - How much does it cost to repair a dishwasher?
- Door replacement: $150–$600 Source: Fixr - How much does it cost to repair a dishwasher?
- Leak repair (including leaking door): $50–$300 Source: HomeAdvisor - How Much Does Dishwasher Repair Cost?
- Typical dishwasher repair (most homeowners): $160–$300 Source: HomeAdvisor - How Much Does Dishwasher Repair Cost?
- Dishwasher repair technician labor: $75–$100 per hour Source: HomeAdvisor - How Much Does Dishwasher Repair Cost?
When an aging dishwasher no longer has manufacturer coverage and needs frequent or major repairs, start planning for a replacement. Source: HomeAdvisor - How Much Does Dishwasher Repair Cost?
Ranges are published estimates, not quotes. See the dishwasher repair cost guide and how long dishwashers last.
What to Have Ready for a LG Dishwasher Call
- The brand, model and serial number from the label on the edge of the door or the side of the tub opening
- Whether the dishwasher drains into a garbage disposal or straight to the sink drain
- What happens during the cycle (no start, no fill, no drain, leaks, dirty or wet dishes)
Dishwasher Notes for O'Fallon, MO
Most dishwasher calls in O'Fallon come down to the same handful of parts: the filter and drain path, the drain pump, the inlet valve, the door latch and the heating parts.
In Missouri, you can report a problem to the Missouri Attorney General's Office, Consumer Protection.
Questions to Ask a O'Fallon Technician
- If a part has to be ordered, how soon can you come back to finish?
- What is the service call or diagnostic fee, and is it applied to the repair?
- Is your company licensed where my state requires it, and insured?
LG Dishwasher Repair FAQs: O'Fallon, MO
How do I find a technician who knows LG dishwashers?
How do I get rid of a dishwasher odor?
Why are my dishes still wet?
Should I repair or replace my LG dishwasher?
Other Dishwasher Repair in O'Fallon
LG Dishwasher Repair in Nearby Cities
Before you call, find the model and serial number on your LG dishwasher's label, usually on the edge of the door or the side of the tub opening. A technician who knows the model can often tell you on the phone what the first visit will involve.