Critical Fault - PS15

Thomas Garcia

Modified on: Wed, 23 Jan, 2019 at 1:10 PM

Display- Logic 15 V Power Fail

Description-

Main control board PIB ±15 V power supply failure

Troubleshooting-

1. Check for +15 V on the power supply PS2 (from TB4-1)

– TB3-1 to PIB-J20-1 shall be +15 Vdc (to TB3-5 / PIB-J20-2)

2. Check for -15 V on the power supply PS3 (from TB4-2)

– TB3-9 to PIB-J20 shall be –15 Vdc (to TB3-5 / PIB-J20-2)