!!
critical AE
Error Code E100
Refrigerant cycle abnormality detected (common error for refrigerant issues).
? What Causes This
Refilling required, excess refrigerant or low refrigerant condition.
✓ How to Fix It
Contact service technician to check and adjust the refrigerant levels. Consult exact error code details for specific troubleshooting steps.
Source: page 68 of the official manual
From the manual
This error code appears in:
AE 1005005800810986