i load the hex file to the pic but it is not working on board help help

[asbsystems]

hi need help please
i want to program pic16f84A
i have pic-pg2 programmer
i used picpgm prgrammer software

when i connect the pic it detected ..i can program it and load the hex file successfully without error ..

but when i connect it to the board
nothing happened ...its like have not been connected at all
what is happeing here and how to fix this

thank you


**broken link removed**

 

[lockman_akim]

did you have try to simulate your program in your pc?

 

[betwixt]

If the program is good, and the hex file loaded into the PIC correctly there are two possibilities, first is an error in the way the IC is connected, second and more likely is the configuration fuses are not set properly. Can you read the configuration byte back and see if it has the correct bits set?

Brian.

 

[amadjo01]

whre's th problem?
in the circuit?(hardware, or the cicuit you build)
or in the simulation?

if in the circuit, try to check the power supply,check if you have reversed the connection to the pic micro( this can damage the pic), also check for over voltages