Behringer DPM5 Audio Effects module Error d2

[Usenetist]

I have a Behringer power mixer (PMX1000) that features a DSP effects
module with a 2-digit 7-seg display.

The DSP module is a daughterboard with legend on it DPM5 PCB304030REVI

Photo here
https://community.musictribe.com/discussion/products/24/34/324663/dpm5-effects-module-error-d2

It has a TMS57002 DSP and P80C32SBAA microcontroller and EDO DRAM (2 off
HY514404).

On power up, the display shows F1 for about 100ms and then stays on d2

I only have a schematic for the main mixer board, which basically
contains just the 7-seg displays, so I am assuming the d2 code
originates from the software running on the DSP board.

I have seen some threads suggesting replacing the DRAM fixed it, but I
have tried that (once) with no effect.

Does anybody have a schematic or any official info on what the d2 code
specifically means?

[Usenetist]

Well, I removed and replaced the EDO RAMs a second time and the problem
was solved. Putting it down to a soldering error the first time, or
possibly a bad chip.