LG Refrigerator Error 33
⚡ Quick Answer: The LG Refrigerator error code 33 indicates a potential issue with the ice maker assembly. Users may notice a failure to produce ice or hear unusual n... ✅ DIY Fixable
What Does Error 33 Mean?
The LG Refrigerator error code 33 indicates a potential issue with the ice maker assembly. Users may notice a failure to produce ice or hear unusual noises from the ice maker compartment. This error may be accompanied by other cooling-related fault codes and a display showing the error repeatedly. If the refrigerator is not cooling properly, it's important to address the issue promptly to avoid food spoilage.
Common Symptoms:
- Fridge not cooling / freezer not cold
- Display shows error with 33 or 33 repeated
- Error appears alongside other cooling‑related fault codes
Possible Causes
- Ice Maker Assembly
- Water Supply Line Blockage
- Faulty Ice Maker Control Module
How to Fix Error 33
DIY Fix Basic checks you can try
- Unplug the refrigerator from power for 5–10 minutes and then plug it back in to clear transient errors.
- Check if the fridge/freezer is cooling; note if cooling failure correlates with when "33" appears.
- Inspect visible interior sensors, wiring, and connectors for loose or damaged connections (do this only if comfortable and safe).
Technician Only Service technician diagnostics
- Consult the specific model’s service manual to decode numeric codes (some models use internal numeric diagnostics not in public consumer sheets).
- Use diagnostic tools to read factory service mode error codes and perform continuity checks on temperature and defrost sensors.
- Inspect and test defrost sensor, freezer thermistor wiring, evaporator fan assembly, and main control board for faults using a multimeter.
- Confirm cooling system operation — including compressor and refrigerant system — if symptoms include loss of cooling.
Parts needed: Temperature sensors (thermistors), Defrost sensor, Fan motors, Control board
- If error persists after power reset
- If refrigerator is not cooling or food is at risk
- If you detect burn smells, smoke, or electrical issues
Next step
Choose the next step for 33
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
- Typical part-only price
- $15 - $35
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Model-compatible Refrigerator parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Refrigerator Condenser Coil Brush
For routine cleaning of accessible condenser areas where the manufacturer permits it. It does not repair a sealed-system or compressor fault.
Model-Compatible Refrigerator Water Filter
A routine replacement item on models with a water filter. Match the complete appliance model and existing filter number before ordering.
Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | 100W |
|---|---|
| component | Ice Maker Assembly |
| resistance | 10-20 ohms |
| part_number | LG 5989JA0002B |
| voltage_rating | 120V AC |
Common Questions
What does 33 error mean on LG Refrigerator?
Error 33 indicates a malfunction in the ice maker assembly, often causing no ice production.
Can I fix LG Refrigerator 33 error myself?
Yes, try unplugging the fridge for 5-10 minutes or check for loose connections.
How much does it cost to fix 33 error?
Repair costs vary; minor fixes may cost $50-$150, while major repairs can exceed $400.
When should I call a technician for 33?
Call a technician if the error persists after a reset or if cooling is compromised.
Sources & References
Data last verified: 2026-07-26
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