Defeating interlocks
Different tests can be used to isolate different types of issues. For assembly or noise isolation, you can
run the diagnostic test when the front and right doors are open. To operate the product with the doors
open, the door switch levers must be depressed to simulate a closed-door position.
WARNING! Be careful when performing product diagnostics to avoid risk of injury. Only trained
service personnel should open and run the diagnostics with the covers removed. Never touch any of the
power supplies when the product is turned on.
1. Open the right and front doors.
2. Insert a thin piece of paper into the right-door sensor slot (callout 1).
CAUTION: Make sure you use a thin piece of paper to activate the sensor. Using too thick of a
piece of paper, to activate this sensor, might dislodge the photointerrupter body from its mounting
bracket.
Figure 2-7 Defeating interlocks (1 of 2)
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142 Chapter 2 Solve problems ENWW
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