Its been raining here, has the express drawn any moisture, or condensation.
Try putting the express in the Frazer. And run some tests.
Lights just went out here, I can,t look up location, there is a resistor that has caused problems. It controlls how the express powers up, If it has a cold solder joint it can cause bad startups. Try reflowing resistors near the pic chip.
Ghosting can be caused by the lights, try a different express on them. If it continues, do the channel Led's light up.
Good luck