LG Error Code CH45
Outdoor condenser temp sensor error
Error Code Summary
| Brand | LG |
| Error Code | CH45 |
| Meaning | Outdoor condenser temp sensor error |
| Cause | Condenser thermistor fault |
| Recommended Action | Check/replace coil thermistor |
How to Fix LG Error CH45
- 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 CH45 means: Outdoor condenser temp sensor error. The most common cause is: Condenser thermistor fault.
- 3
Take Corrective Action
Check/replace coil thermistor
- 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 CH45 mean?
LG error code CH45 indicates: Outdoor condenser temp sensor error. This is typically caused by: Condenser thermistor fault.
How do I fix LG error code CH45?
To fix LG error code CH45: Check/replace coil thermistor. If the error persists after these steps, contact a qualified HVAC technician.
Is LG error code CH45 serious?
Error code CH45 (Outdoor condenser 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.