A device for automatically repairing a damaged spot of a glass pane , the device comprising: a processing head , which is configured to be arranged on the glass pane , including: a fixing section configured to fix the processing head to the glass pane , a repair section configured to fill the damaged spot with a repair means, a first passage having a first opening which leads into the fixing section and which is configured to be applied with a negative pressure, wherein by means of the first opening , the negative pressure is applied between the glass pane and the fixing section , a second passage having a second opening which leads into the repair section and which is configured to be applied with an at least partially alternating pressure profile for a predetermined duration, wherein by means of the second opening the at least partially alternating pressure profile is applied between the damaged spot and the repair section , wherein the processing head is configured such that a repair means is introduced into the second passage , for applying the repair means to the damaged spot and for enabling the damaged spot to be filled with the repair means, wherein the alternating pressure profile contains a repeating sequence of a negative pressure -p, a normal pressure N, and an overpressure +p, wherein the device comprises a control unit which, in response to activation of the control unit, is configured to continuously apply the negative pressure -p to the first passage , whereby the processing head is fixed to the glass pane during the entire period of repair, and to automatically apply the alternating pressure curve, the negative pressure -p, the normal pressure N, and the overpressure +p to the second passage from the start of the predetermined duration until the end of the predetermined duration. a fixing section configured to fix the processing head to the glass pane , a repair section configured to fill the damaged spot with a repair means, a first passage having a first opening which leads into the fixing section and which is configured to be applied with a negative pressure, wherein by means of the first opening , the negative pressure is applied between the glass pane and the fixing section , a second passage having a second opening which leads into the repair section and which is configured to be applied with an at least partially alternating pressure profile for a predetermined duration, wherein by means of the second opening the at least partially alternating pressure profile is applied between the damaged spot and the repair section , wherein the processing head is configured such that a repair means is introduced into the second passage , for applying the repair means to the damaged spot and for enabling the damaged spot to be filled with the repair means, wherein the alternating pressure profile contains a repeating sequence of a negative pressure -p, a normal pressure N, and an overpressure +p, wherein the device comprises a control unit which, in response to activation of the control unit, is configured to continuously apply the negative pressure -p to the first passage , whereby the processing head is fixed to the glass pane during the entire period of repair, and to automatically apply the alternating pressure curve, the negative pressure -p, the normal pressure N, and the overpressure +p to the second passage from the start of the predetermined duration until the end of the predetermined duration. <EOS>