Newer air conditioners do not emit the ” blast” of cold air you may be accustomed to from older units, but this is not an indication of lesser cooling capacity or efficiency. The root cause is may be one of the following: Content: When the indoor fan speed is lower than 200 rpm, the error code will display, Content: the error code will display when the communication between display board and control board have in trouble. See ” portable Air Conditioner Use. The indoor coil temperature sensor is failure; The indoor control board is failure. Aggiungo anche che probabilmente nello smontare il mio condizionatore dovrei spendere altri soldi, oltre a quelli che dovrei comunque spendere per farlo montare. e sarei punto e a capo con un caldo che non si dorme la notte. Comment:*document.getElementById("comment").setAttribute( "id", "a41e75b838e6f25a0426bf74b0f63e1c" );document.getElementById("h0f68f30c3").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. Air conditioner runs for a short time only, but room is not cool; Set temperature is close to room temperature; Lower set temperature. Ora vi do aggiornamenti e chiedo pareri/consigli. It is normally for protection, When the indoor pipe temperature between 53C