LG Error Code CH23
Outdoor DC link low voltage
Error Code Summary
| Brand | LG |
| Error Code | CH23 |
| Meaning | Outdoor DC link low voltage |
| Cause | Low DC bus voltage |
| Recommended Action | Check power supply voltage |
How to Fix LG Error CH23
- 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 CH23 means: Outdoor DC link low voltage. The most common cause is: Low DC bus voltage.
- 3
Take Corrective Action
Check power supply voltage
- 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 CH23 mean?
LG error code CH23 indicates: Outdoor DC link low voltage. This is typically caused by: Low DC bus voltage.
How do I fix LG error code CH23?
To fix LG error code CH23: Check power supply voltage. If the error persists after these steps, contact a qualified HVAC technician.
Is LG error code CH23 serious?
Error code CH23 (Outdoor DC link low voltage) 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.