EHC1 and EHC2 Error CodesUpdated an hour ago

These codes indicate refrigerant-related faults and the refrigerant sensor reading is out of range. 

• EHC1 Error Code: Refrigerant leak detected
• EHC2 Error Code: Refrigerant sensor reading out of range and leak detected

Leakage protection activates under any of the following conditions:

• The refrigerant concentration remains at or above 10% of the LFL for 10 seconds. 
• The refrigerant concentration reaches 20% of the LFL.
• The indoor unit receives a leakage protection fault signal from the outdoor unit. 

Recommended Part to Prepare

• Additional refrigerant