IBM 6151 Maintenance And Service Manual page 306

Step 4
1.
Set the power switch on the system unit and RT PC 6192 to Off.
2. Wait 30 seconds; then set the power switch on the system unit
to On (leave the RT PC 6192 off).
3. Run the System Checkout using the ADVANCED DIAGNOSTIC
SELECTION menu.
TESTING COMPLETE
Press Enter to continue.
DlAG-2
WERE YOU ABLE TO LOAD AND RUN THE "SYSTEM
CHECKOUT" AND DID THE "NO TROUBLE WAS FOUND"
MESSAGE DISPLAY?
YES Remove all of the adapters in slots 1 through 6 in the RT
PC 6192.
Note: Be sure to use the Adapter Removal procedure in
the IBM RT PC 6192 Expansion Unit Hardware
Maintenance and Service manual.
Go to "Step 6" on page 3-0100-6 and use the System
Checkout as the failing procedure.
NO Exchange the RT PC Expansion Unit Adapter; then go to
"Step 9" on page 3-0100-9.
3-0100-4 Service Manual