IBM 3720 Problem Determination Manual page 12

Communication controllers
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IF
Check the
Power Check lamp
on the control panel.
If on: Go to page 5-1.
Check the customer
circuit breakers.
If necessary,
restore power. Then:
Press Power switch
to power Off then On.
Check if there is
power at the outlet.
If none of the above applies:
®
(Go to page
Ylii)
In case of an emergency only:
• Power on the 3720 as follows:
- Set the Power Control switch to Local
- Press Power Orf
- Wait 10 seconds
- Press Power On
• If the problem persits:
®
(Go to page
Yiii)
Unable to Power On 'the 3720 Model I or 11
1-3

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