casio w-350 with module 248, no sound

hi there, i had a casio w-350, a great marlin watch, laying around for years as i didnt have  working 152 module. yesterday i decided to use the 248 module from the w-36, it fits perfectly, but it has NO SOUND. any experiences about that swapping, or any idea how to get the beep back.? casio w-350

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