1. Inspect the auxiliary power user's insertion element, if possible.
2. Disconnect the connector at the auxiliary power outlet.
3. Connect an unpowered test lamp between the auxiliary power outlet connector, cavity A for CKT 840 (ORN), and ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 2

Repair the open in CKT 840 (ORN) between the IP fuse block and the auxiliary power outlet.

Is the auxiliary power outlet operative?

--

System OK

Go to Step 3

Connect a digital multimeter (DMM) between the auxiliary power outlet connector, cavity B for CKT 150 (BLK), and ground.

Is continuity present?

--

Go to Step 4

Go to Step 5

Replace the auxiliary power outlet.

Is the auxiliary power outlet operative?

--

System OK

Go to Step 5

Repair the open in CKT 150 (BLK) between the auxiliary power outlet and ground G201.

Is the repair complete?

--

System OK

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