Majesty-Piezo's not working

New Majesty 6. Fresh Duracell batteries. Magnetic pickups work fine in all
positions. Boost ok, single coil ok. When plugging in guitar, get a blue light on Batt.
compartment. Flip into Piezo mode, nothing. Tried holding in Piezo Vol control (Amber light),
nothing. Hold again, Blue light, nothing. Piezo Vol full up, nothing. I know one is for Mono,
one for Stereo, Just testing to see if I get any sound.

When I got the guitar, the batteries were dead and nothing worked. With new batteries,
everything was fine (including peizo’s). Now just Mag settings work.

Any ideas?

Thanks