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TO Turn the Power On
1 If there is an Auxiliary Power Unit(s), plug it (them)
into the ac outlet.
2 If there is an expansion carrier(s), set that power
supply switch to the
ON
position.
The green power light on the Power Supply Module goes on.
3 Set the power switch on the basic carrier’s Power
Supply Module to
On.
The green power light on the Power Supply Module goes on.
The red warning light on the Processor Module should go off in 30
to 45 seconds.
To Turn the Power Off
1 First turn off the power at the basic carrier.
2 Then turn the power off at the expansion carrier(s).
3 Finally, if there are Auxiliary Power Units, unplug
them from the ac outlet. Because the MERLIN II
Power Supply Modules are already OFF, the auxiliary
power cord removal sequence is not important.
Normal Operation
If the system is operating properly, you will find these
indicators:
●
The green power light on the Power Supply Module
remains on.
●
The red light on the Processor Module goes on for 30
to 45 seconds during power-up and then goes off.
●
All indicators on the Tie Line Module remain off when
that module is idle. See “Tie Line Module, Status
Indicators” on page 1-25.
If any of the conditions listed have not occurred, refer to
Section 4, “Troubleshooting.”
Installing the Control Unit 2-91