Replace the Auxiliary Power Supply
To replace the auxiliary power supply, complete the following steps.
Required Tools and Materials
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Torx screwdriver (T25, T20) |
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T25 Security screwdriver |
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Clean rags |
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Power Off the Station
Power off at the breaker panel and lock out/tag out before continuing work.
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Before any procedure, disconnect the power. If station is paired, disconnect the power to both paired charging stations.
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Follow local code and site lockout/tagout procedure to de-energize the station.
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Wait for energy to dissipate (approximately five minutes).
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Keep power off until all covers and panels are reinstalled and the work is complete.
Failure to follow these instructions can result in serious injury, loss of life, or property damage.
Remove the Area Light Bar
To remove the area light bar, complete the following steps:
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Use a T25 Security screwdriver to loosen the two captive screws on the bottom edge of the area light bar.
When reinstalling the area light bar, route the cable through the notch in the center of the area light bar. Ensure the cable does not get caught between the area light bar and the secondary display controller. Torque to 2.8 Nm (25 in-lb).
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While holding the area light bar near the opening at the top of the Express 280, disconnect the 4-pin power cable from the area light bar.
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Set the area light bar gently on a padded surface.
Remove the Top Front Panel
To remove the top front panel, complete the following steps:
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Gently pull the middle section of the trim panel out until the tabs clear the side trim. Remove the trim panel.
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Use a T25 Torx screwdriver to remove the screw securing the ground cable to the station frame.
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Use both hands to carefully pull the panel away from the station body. Lift upward to remove it.
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Place a protective cover, such as a lint-free cloth, over the touchscreen to prevent damage during service.
Remove the Secondary Display Controller and the Auxiliary Power Supply
To remove the secondary display controller and the auxiliary power supply, complete the following steps:
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Disconnect the cables from the secondary display controller.
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Use a T25 Torx screwdriver to loosen the four screws that secure the secondary display controller.
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Slide the secondary display controller up and off the keyholes to remove it.
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Set the controller aside gently.
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Disconnect the cables from the auxiliary power supply:
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Use a T20 Torx screwdriver to loosen the four screws securing the auxiliary power supply.
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Slide the auxiliary power supply to the right and off the keyholes to remove it.
Install New Auxiliary Power Supply
To install the new auxiliary power supply, complete the following steps:
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Align the keyholes on the new auxiliary power supply with the screws on the station and slide it into position.
Ensure the nylon shoulder washer is in between the screw head and the auxiliary power supply.
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Connect the six cables from the power supply to the station.
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Use a T20 Torx screwdriver and four screws to secure the power supply. Torque to 2.3 Nm (20 in-lb).
REVERSE THE ABOVE STEPS TO REPLACE THE SECONDARY DISPLAY CONTROLLER, TOP FRONT PANEL, TRIM TAB, AND AREA LIGHT BAR.
Power On the Station
Ensure all panels are installed before powering station on.
Once all parts are installed, power on the Express 280. The Express 280 runs a self test to verify that it can operate properly.