LG Mini Split Error Code CH01: How to Fix It

Q: What causes LG mini split error code CH01?

CH01 error is caused by a faulty indoor air temperature sensor. This can happen due to sensor failure, loose wiring connections, corrosion, or physical damage to the sensor or its wires.

Q: Can I still use my LG mini split with CH01 error?

While the unit may still operate, it won't maintain proper temperature control since it can't accurately read room temperature. This leads to inefficient operation and poor comfort, so it's best to fix the issue promptly.

Q: How much does it cost to replace an LG mini split temperature sensor?

The temperature sensor part typically costs $15-40. Professional installation can add $100-200 in labor costs, making DIY replacement a cost-effective option for those comfortable with basic electrical work.

Q: How do I reset my LG mini split after fixing CH01 error?

After replacing the sensor, turn off the circuit breaker for 5 minutes, then restore power. Turn on the unit with the remote control. The error code should clear automatically once the system detects the functioning sensor.

Q: Is LG mini split error CH01 covered under warranty?

This depends on your unit's age and warranty terms. Temperature sensor failures within the first few years may be covered under parts warranty. Check your warranty documentation or contact LG customer service to verify coverage.

Abstract

LG mini split error code CH01 indicates a problem with the indoor air temperature sensor - either an open circuit or short circuit. This sensor helps your system monitor room temperature to maintain proper climate control, and when it malfunctions, your mini split may not heat or cool effectively.