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5
Powering On
Read this procedure thoroughly before performing
any activity, then return to the top of this page and
begin.
0
Press the Power Switch to 0 N ( 1 ) .
Did the Power Lamp light?
YES
NO
1
1
20-sec
0
Be sure that the power cord is securely
self-test
connected. lf it is, have a qualified
1
person check the power source.
Are the Unit Ready and Test Mode lamps blinking
(after about 20 seconds)?
YES
NO
1
0
Press the Power Switch to 0 FF ( 0)
and restart this procedure. lf the
problem persists, replace the 7426
following your local procedures.
O
lmmediately press the lnit/Test switch to Test (right).
Did all lamps light for 3 seconds?
YES
1
NO
1
O
Press the Power Switch to 0 FF ( 0)
and restart th is procedu re. 1 f the
problem persists, replace the 7426
following your local procedures.
ls the Test Mode lamp blinking and the Machine
Check lamp out (after 3 seconds)?
YES
NO
1
O
You have exceeded the 6 seconds.
Press the Power Switch to 0 FF ( 0)
and retry this procedure.
0
Go to Procedure 6.
Test Mode Lamp
Chapter 4. Customer Problem Analysis and Resolution 4-13
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