Tascam DM-24 Service Manual page 37

Meaning: Too may packets were specified when commands are sent from the Main CPU to the DSP.
Remedy: Run the SRAM Initialization. If this does not fix the problem, check U6 on the MAIN PCB for signs of bad contact and if neces-
sary replace U6.
Meaning: An illegal DSP ID was specified when generating packets.
Remedy: Run the SRAM Initialization. If this does not fix the problem, check U6 on the MAIN PCB for signs of poor contact and replace
U6 as required.
Meaning: The wrong CH number was specified when requesting that the bar display data for the SURROUND screen should be generated.
Remedy: Run the SRAM Initialization. If this does not fix the problem, check U6 on the MAIN PCB for signs of poor contact and replace
U6 as required.
Meaning: The softwear versions don't meet between the Panel CPU version and the Main CPU. Or erro occured in the Load process.
Remedy: Make U31 (Panel) on the MAIN PCB consistent with U6 and U7 (Main) on the MAIN PCB in point of version. If their versions
are originally met, restart the DM-24. If many times of restart do not fix the problem, try redoing the program update.
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TASCAM DM-24