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4
Powering On
Read this procedure thoroughly before performing
any activity, then return to the top of this page and begin.
D
Press the Power Switch to ON ( 1 ).
Did the Power Lamp light?
YES
1
20-sec
self-test
NO
1
D
Have a qualified person check the power
source, then restart Procedure 3,
Connecting the Power Cord.
Are the Unit Ready and Test Mode lamps blinking
(after about 20 seconds)?
YES
NO
1
D
Press the Power Switch to OFF (0)
and restart this procedure. lf the problem
persists, notify your supervisor and
return the 7426 to IBM (see Chapter 5).
D
lmmediately press the lnitffest switch to Test (right).
Did all lamps light for 3 seconds?
YES
NO
1
D
This indicates a 7426 failure. Power
off and restart this procedure. lf the
problem persists, notify your supervisor and
return the 7426 to IBM (see Chapter 5).
ls the Test Mode lamp blinking and the Machine
Check lamp out (after 3 seconds)?
YES
NO
1
D
You have exceeded the 6 seconds.
Press the Power Switch to 0 FF ( 0)
and restart this procedure.
D
Go to Procedure 5.
Test Mode Lamp
Chapter 1. Setup 1 nstructions 1-5
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