Panasonic Css12pkq Manual ((link))

If the "Timer" light is blinking, your unit is reporting a malfunction. You can retrieve the error code using the remote: Communication error between indoor and outdoor units. H19: Indoor fan motor abnormality. F91: Refrigerant cycle abnormality (often a gas leak). F99: Outdoor direct current (DC) peak detection. 📥 Where to Download the Official Manual