{"title":"Handpiece Not Firing","description":"\u003cp\u003eA handpiece that will not fire is most often traced to the handpiece circuit board, a failed trigger button, a communication fault in the signal cable, or an interlock that has not closed. The parts below resolve those causes.\u003c\/p\u003e","products":[{"product_id":"candela-handpiece-board-12-15-18-mm-air","title":"Candela Handpiece Board 12 \/ 15 \/ 18 mm Air","description":"\u003cp\u003e\u003cstrong\u003ePCB control board for Candela Gentle Pro series handpieces, 12 \/ 15 \/ 18 mm air-cooled configuration.\u003c\/strong\u003e The board reads trigger and slider inputs, times the air cooling valve against each pulse, and handles communication between the handpiece and the main system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails:\u003c\/strong\u003e Heat cycling and connector wear degrade the board's traces and joints, producing dropped communication, mistimed cooling, and a handpiece that intermittently stops firing. Faults stay within this size group's board and do not carry across configurations.\u003c\/p\u003e","brand":"PhotonX","offers":[{"title":"Default Title","offer_id":59927661248896,"sku":"CND-0671","price":195.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/9948\/3264\/files\/CND-0671.jpg?v=1789840957"},{"product_id":"candela-handpiece-board-12-15-18-mm-dcd","title":"Candela Handpiece Board 12 \/ 15 \/ 18 mm DCD","description":"\u003cp\u003e\u003cstrong\u003ePCB control board for Candela Gentle Pro series handpieces, 12 \/ 15 \/ 18 mm DCD cryogen-cooled configuration.\u003c\/strong\u003e The board reads trigger and slider inputs, times the DCD cryogen spray against each pulse, and handles communication between the handpiece and the main system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails:\u003c\/strong\u003e Heat cycling and connector wear degrade the board's traces and joints, producing dropped communication, mistimed cooling, and a handpiece that intermittently stops firing. Faults stay within this size group's board and do not carry across configurations.\u003c\/p\u003e","brand":"PhotonX","offers":[{"title":"Default Title","offer_id":59927661609344,"sku":"CND-0672","price":195.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/9948\/3264\/files\/CND-0672.jpg?v=1789840984"},{"product_id":"candela-handpiece-board-20-22-24-mm-air","title":"Candela Handpiece Board 20 \/ 22 \/ 24 mm Air","description":"\u003cp\u003e\u003cstrong\u003ePCB control board for Candela Gentle Pro series handpieces, 20 \/ 22 \/ 24 mm air-cooled configuration.\u003c\/strong\u003e The board reads trigger and slider inputs, times the air cooling valve against each pulse, and handles communication between the handpiece and the main system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails:\u003c\/strong\u003e Heat cycling and connector wear degrade the board's traces and joints, producing dropped communication, mistimed cooling, and a handpiece that intermittently stops firing. Faults stay within this size group's board and do not carry across configurations.\u003c\/p\u003e","brand":"PhotonX","offers":[{"title":"Default Title","offer_id":59927662330240,"sku":"CND-0673","price":195.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/9948\/3264\/files\/CND-0673.jpg?v=1789841028"},{"product_id":"candela-handpiece-board-20-22-24-mm-dcd","title":"Candela Handpiece Board 20 \/ 22 \/ 24 mm DCD","description":"\u003cp\u003e\u003cstrong\u003ePCB control board for Candela Gentle Pro series handpieces, 20 \/ 22 \/ 24 mm DCD cryogen-cooled configuration.\u003c\/strong\u003e The board reads trigger and slider inputs, times the DCD cryogen spray against each pulse, and handles communication between the handpiece and the main system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails:\u003c\/strong\u003e Heat cycling and connector wear degrade the board's traces and joints, producing dropped communication, mistimed cooling, and a handpiece that intermittently stops firing. Faults stay within this size group's board and do not carry across configurations.\u003c\/p\u003e","brand":"PhotonX","offers":[{"title":"Default Title","offer_id":59927662887296,"sku":"CND-0674","price":195.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/9948\/3264\/files\/CND-0674.jpg?v=1789841061"},{"product_id":"candela-handpiece-board-26-mm-air","title":"Candela Handpiece Board 26 mm Air","description":"\u003cp\u003e\u003cstrong\u003ePCB control board for Candela Gentle Pro series handpieces, 26 mm air-cooled configuration.\u003c\/strong\u003e The board reads trigger and slider inputs, times the air cooling valve against each pulse, and handles communication between the handpiece and the main system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails:\u003c\/strong\u003e Heat cycling and connector wear degrade the board's traces and joints, producing dropped communication, mistimed cooling, and a handpiece that intermittently stops firing. Faults stay within this size group's board and do not carry across configurations.\u003c\/p\u003e","brand":"PhotonX","offers":[{"title":"Default Title","offer_id":59927663608192,"sku":"CND-0675","price":195.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/9948\/3264\/files\/CND-0675.jpg?v=1789841094"},{"product_id":"candela-handpiece-board-26-mm-dcd","title":"Candela Handpiece Board 26 mm DCD","description":"\u003cp\u003e\u003cstrong\u003ePCB control board for Candela Gentle Pro series handpieces, 26 mm DCD cryogen-cooled configuration.\u003c\/strong\u003e The board reads trigger and slider inputs, times the DCD cryogen spray against each pulse, and handles communication between the handpiece and the main system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails:\u003c\/strong\u003e Heat cycling and connector wear degrade the board's traces and joints, producing dropped communication, mistimed cooling, and a handpiece that intermittently stops firing. Faults stay within this size group's board and do not carry across configurations.\u003c\/p\u003e","brand":"PhotonX","offers":[{"title":"Default Title","offer_id":59927664034176,"sku":"CND-0676","price":195.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/9948\/3264\/files\/CND-0676.jpg?v=1789841123"},{"product_id":"candela-handpiece-trigger-button","title":"Candela Handpiece Trigger Button","description":"\u003cp\u003e\u003cstrong\u003eReplacement trigger button for Candela Gentle Pro series handpieces.\u003c\/strong\u003e Molded plastic button that seats in the handpiece shell and actuates the firing switch beneath it. The tactile click is the operator's physical confirmation that a pulse has been commanded.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails:\u003c\/strong\u003e Repeated actuation wears the button's pivot and contact face, so the click softens and switch travel becomes inconsistent. The operator loses confirmation of firing, and pulses can be missed or doubled at the treatment site.\u003c\/p\u003e","brand":"PhotonX","offers":[{"title":"Default Title","offer_id":59927665508736,"sku":"CND-0065","price":19.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/9948\/3264\/files\/Product_Image_Placeholder.webp?v=1789852963"}],"url":"https:\/\/thephotonx.com\/collections\/handpiece-not-firing.oembed","provider":"ThePhotonX","version":"1.0","type":"link"}