Make sure that you have the replacement spare part available.
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Switch off both AC (mains) power switch and battery switch.
Make sure that there is no AC (mains)
power available for the system.
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Disconnect the cables from Termbox.
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Remove Termbox cover.
- 1
- Screw for removing Termbox cover (4 pcs)
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Remove Termbox from the frame.
- 1
- Screw for removing Termbox from frame (4 pcs)
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Remove the cover from the replacement Termbox and mount Termbox on the frame.
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Attach Termbox cover.
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Connect the cables on Termbox.
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Power up the system.
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Verify operation.