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4.1 Changing the Lamp in the Front Panel High-Power Indicator
The system is equipped with circuitry to detect the potentially dangerous condition of a
burned-out High Power indicator on the Front Panel. If this lamp is burned out, you cannot
enable high power until the lamp has been replaced. Follow this procedure to replace the High
Power indicator lamp. The Adept part number for the lamp is 27400-29006.
1. Turn off system power to the controller.
2. Disconnect the cable between the Front Panel and the controller.
3. Remove the Front Panel from its mounting location.
4. Remove the two screws on the back of the Front Panel.
5. Carefully pull the front cover away from the body of the Front Panel.
You will encounter some resistance, as there are three plug-type connectors that you
need to disconnect as you pull the front cover away from the body.
NOTE: Separate the cover from the body slowly to avoid damaging the two wires that go
between the LED and the PC board inside the body. Pull the front cover as straight away as pos-
sible. You do not have to disconnect the wires from the PC board, although you can if needed.
6. Locate the lamp body in the center of the back side of the front cover. Turn the lamp
body approximately 20° in either direction and then pull straight back.
7. The lamp body is now free. You can remove the old lamp and insert a new one.
8. Replace the lamp body by pushing it straight into the lamp housing receptacle. Make
sure the contacts on the lamp body are properly oriented, as shown in the following fig-
ure.
9. Make sure to reconnect the wires from the LED if you disconnected them earlier.
Chapter 4: Maintenance
WARNING: Lockout and tagout power before servicing.
WARNING: The procedures and replacement of parts mentioned in this
section should be performed only by trained, authorized personnel. The
access covers on the Adept SmartController EX motion controller are not
interlocked – turn off and disconnect power if covers have to be
removed.
Adept SmartController EX User's Guide, Rev.C
Page 55 of 96
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