After about 20 mins of operation, the display began to show scrambled data. Upon restart, the display was blank again.
Reopened unit and cleaned more hardened flux between contacts (interboard). Also bent some leads upward which were not sufficiently trimmed. Wires are long enough to short tracks or between joints. I'll trim it later when I have my prescision wire cutters. Reassembled and it is working again. Now running for an hour with no issues.
Circuit board seems to have an assembly issue.
BDP
September 2012