VLS Service Manual - REV2015.04
Table of Contents
Component Removal and Replacement
Page | 45
Component Removal and Replacement
Top Door Interlocks
1. Turn the VLS OFF and unplug the system.
2. Open the Top Door.
3. Locate the two top door interlocks located on the left-hand and right-hand side on the frame of the
system.
4. Disconnect the interlock from the wiring harness.
5. Remove the two screws holding the interlock in position.
6. Installation is opposite of removal. Ensure the interlock is flush with the frame of the system.
7. Plug in and power ON the VLS. Open and close the door. Check to see if the door open light on the
keypad turns on and off (red flashing light) when you open and close the door. Or check the UCP to see
if the system is indicating that a door is open.
8. If adjustment is necessary loosen the two screws holding the interlock in position and slide the sensor
in or out. Retighten the screws and repeat Step 7 until complete.
Front Door Interlocks
1. Turn the VLS ON and move the table to its lowest position using the keypad or the UCP.
2. Turn the VLS OFF and unplug the system.
3. Open the front door and fold it to its resting position.
4. Locate the two front door interlocks on the left- and right-hand side on the frame of the system.
5. Disconnect the proximity sensor from the wiring harness.
6. Remove the two screws holding the interlock in position.
7. Installation is opposite of removal. Ensure the interlock is flush with the frame of the system.
8. Plug in and power ON the VLS. Open and close the door. Check to see if the door open light on the
keypad turns on and off (red flashing light) when you open and close the door. Or check the UCP to see
if the system is indicating that a door is open.
9. If adjustment is necessary loosen the two screws holding the proximity sensor in position and slide the
sensor in or out. Retighten the screws and repeat Step 8 until complete.
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