Wyse Firmware 8.6_206 Wrong Power Settings

Hi i set the new firmware 8.6_206 on my Wyse 3040 PCoIP now after 5 minutes or more the wyse go to Standby, but if hit a key or move the mouse the wyse not come up frome the standby i have to press the power button for for long time or disconect from the psu.... for shutdown, please Dell Team do a better QA Test for your firmwares...