IBM 6151 Maintenance And Service Manual page 223

Step 5
Ask the operator to print a Detail Report of the hardware errors
listed. The command is (where MMddhhmmyy is month, day, hour,
minute, year):
errpt -a -d tOl -d hOO -sMMddhhmmyy I print
ARE THE HARDWARE ERRORS RELATED TO THE
HARDWARE YOU SERVICE?
NO
Ask the customer to follow the procedure for resolving the
type of errors listed.
YES Continue on the next page.
(6/88) Problem Isolation Charts 3-0090-5