Concerto F28M35xx controlCARD and the CCS V4 C28xx (Error -1156 @ 0x4E26) Device may be operating in low-power mode.?

F28M35需要下载两个工程，一个M3的工程和一个C28X的工程。
在下载 C28X的工程 时显示low-power mode，点击一下“Yes“按钮则会直接退出CCS程序，您看这个应该怎么办？谢谢~

C28xx_0: GEL Output:

Memory Map Initialization Complete C28xx_0:

GEL Output: RAM Initialization Complete

C28xx_0: Flash operation timed out waiting for the algorithm to complete. Operation cancelled.

C28xx_0: Flash Programmer: Error initializing device. C28xx_0: Flash Programmer: Error erasing Flash memory. C28xx_0: Flash operation timed out waiting for the algorithm to complete. Operation cancelled.

C28xx_0: Trouble Writing Memory Block at 0x13fcc2 on Page 0 of Length 0xcf: (Error -1156 @ 0x4E26) Device may be operating in low-power mode. Do you want to bring it out of this mode? (Release 5.0.429.0)

C28xx_0: Flash operation timed out waiting for the algorithm to complete. Operation cancelled.