Set Timer On state being deleted

#1
I am setting the Timer on for 0500 and off for 0520 and it shows in the sheduled settings as Wake up 0500 and Sleep at 0520.
After a manual sleep and wake up the Timer on setting disappears leaving only the sleep at 0520.
This leaves my box in a half awake state whereby I can access webif and presumably the HDD is on. Webif notifies me that the box is in Standby whereas webif should not work if that were true.
Does anyone know how to make the Timer on state stay in place?
 
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