Power Management Leds - GE HEALTHCARE CARESCAPE Monitor B650 Technical Manual

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11.4 Power management LEDs

The DC/DC board includes troubleshooting LEDs that helps the user to troubleshoot start-up
related problems in the patient monitor.
The troubleshooting LEDs in the DC/DC board are visible through the ventilation holes in the
rear of the patient monitor (see picture below).
LED
On/standby (red)
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Description
The red on/standby LED should be lit momentarily when the on/standby
button is pressed. A lit LED normally indicates that the DC/DC power
supply board recognizes that the user has pressed the on/standby
button and should turn the patient monitor On/Off.
If the On/standby LED is not lit when the on/standby button is pressed,
check the patient monitor for any of the following problems:
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Faulty keypad.
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Faulty user interface board.
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User interface cable is not connected to CPU board.
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Faulty DC/DC board.
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Faulty CPU board.
Troubleshooting
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2081903-001