LG Error Code CH33
Outdoor discharge temp sensor error
Error Code Summary
| Brand | LG |
| Error Code | CH33 |
| Meaning | Outdoor discharge temp sensor error |
| Cause | Discharge thermistor fault |
| Recommended Action | Check/replace sensor |
How to Fix LG Error CH33
- 1
Power Cycle the Unit
Turn off the unit at the breaker, wait 5 minutes, then restore power. Some errors auto-clear after a restart.
- 2
Identify the Issue
Error CH33 means: Outdoor discharge temp sensor error. The most common cause is: Discharge thermistor fault.
- 3
Take Corrective Action
Check/replace sensor
- 4
Test the System
After completing repairs, run the system and monitor for the error code. If it recurs, the issue may require professional diagnosis.
Safety Notice
Always disconnect power before performing any electrical work. If you're not a certified HVAC technician, contact a qualified professional for repairs involving refrigerant, electrical components, or compressor work.
Frequently Asked Questions
What does LG error code CH33 mean?
LG error code CH33 indicates: Outdoor discharge temp sensor error. This is typically caused by: Discharge thermistor fault.
How do I fix LG error code CH33?
To fix LG error code CH33: Check/replace sensor. If the error persists after these steps, contact a qualified HVAC technician.
Is LG error code CH33 serious?
Error code CH33 (Outdoor discharge temp sensor error) should be addressed promptly to prevent further damage to your LG system. Always turn off the unit if you notice unusual sounds, smells, or continued malfunction.