Troubleshooting My Philips PerfectCare Pure iron steams continuously There might be a few reasons why your Philips PerfectCare Pure steam generator steams continuously. Read more here. The steam button was pressed twice quickly Pressing the steam button twice quickly makes your iron switch to steam boost. When this happens, the iron will steam continuously for 5 seconds. After 5 seconds the iron should stop steaming. The steam button or function is defect. In this case, it could be that you are no longer able to switch off the steam function by pressing the steam trigger. We recommend that you contact Philips Consumer Care and ask for a repair.