There could be many reasons which cause the symptom you described.
In the worst case the device on your board could have been damaged.
You wrote that you have already tried the mode switch.
And you wrote that you have tried to update the firmware.
Here, I wonder which version of "PSoC Programmer" you are using.
I think that currently the newest is 3.28.6.
If yours is older, please download and update to the newest one.
We can download PSoC programmer from
Please select the newest and try it.
FYI, I took pictures of my board running attached hex programmed using PSoC Programmer.
I'm seeing LED2 and LED4 light orange-yellow, LED3 in Green.
And also LED5 is blinking Green.
SW5 Middle Position (3.3V)
SW7 Right Position
SW6 Right Position
led_test_200322.hex.zip 15.1 K
Hi, thank you for mentioning the position of your switches. My problem is solved: I had SW6 facing left.. SW6 is target select on the schematic. Afterwards I was able to upload your hex file. I just never thought of switches. PSoC creator works too. Thank you so much!