Installation Manual

Troubleshooting 8-35

Interlock Switch Verification

1. Does the Front Hatch Interlock Key enter the Interlock Switch when the Front Hatch is closed?

Go to Step 2

Go to Interlock Switch Cabling Verification in this subsection.

2. Realign the Interlock Key on the Front Hatch.

3. With the Interlock Key aligned and the Front Hatch closed, does the green light on the

Beacon illuminate?

Go to Interlock Switch Cabling Verification in

this subsection.

Go to Step 4

4. With the Front Hatch closed, does the red SRVO_PWR LOW LED on the XY Servo Interface

PWA illuminate?

Stop here. Improper key alignment is root cause of

Interlock fault.

Go to Hatch Open Signal Verification in this subsection.

Yes