Display - Logic 5 V Power Fail
Description- Main Communication board PIB 5 V power supply failure
Resolution:
Check for 5 V on the power supply PS9
■ COMMC board J1(+) to J1(-) shall be 5 Vdc
■ PS9 feed from TB4-4 (+24 V) from power-supply PS1-EMI-2-L1
■ PS9 feed from TB4-12 (Gnd) from power-supply PS1-EMI-2-N