IBM 6150 Hardware Maintenance Manual page 125

TNL SN20-9850 (05-87) to 75X0152 or 75X0166
Step 12
Look for the number displayed in the two-digit display in the following
table.
Number Go to Step
22 "Step 16" on page 3-0030-16
81 "Step 27" on page 3-0030-27
94
"Step 26" on page 3-0030-26
99
"Step 15" on page 3-0030-15
DID YOU FIND THE NUMBER IN THE TABLE?
YES Go to the step listed.
NO Continue on the next page.
3-0030-12 Service Manual