Specifications

Chapter 4: Troubleshooting
Power Supply Troubleshooting
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LED Type of Fault What To Do
PS01 PS02 PS03 PS04
ON ON ON ON Supply late
Replace Backplane Assembly
ON ON ON OFF Supply late
ON ON OFF ON Supply late
ON ON OFF OFF Supply late
ON OFF ON ON Under-voltage
ON OFF ON OFF Under-voltage
ON OFF OFF ON Under-voltage
ON OFF OFF OFF Under-voltage
OFF OFF ON ON Over-voltage
OFF OFF ON OFF Over-voltage
OFF OFF OFF ON Over-voltage
OFF OFF OFF OFF Over-voltage
OFF ON X X Power button pushed at wrong time Unplug scope, wait 30 seconds,
plug in, power up
PS11 PS12 PS13 PS14
ON ON ON ON Supply late
Replace Backplane Assembly
ON ON ON OFF Supply late
ON ON OFF ON Supply late
ON ON OFF OFF Supply late
ON OFF ON ON Under-voltage
ON OFF ON OFF Under-voltage
ON OFF OFF ON Under-voltage
ON OFF OFF OFF Under-voltage
OFF OFF ON ON Over-voltage
OFF OFF ON OFF Over-voltage
OFF OFF OFF ON Over-voltage
OFF OFF OFF OFF Over-voltage
OFF ON X X Power button pushed at wrong time Unplug scope, wait 30 seconds,
plug in, power up
PS21 PS22 PS23 PS24
ON ON ON ON Supply late
Replace Backplane Assembly
ON ON ON OFF Supply late
ON ON OFF OFF
ON OFF ON ON Under-voltage
ON OFF ON OFF
ON OFF OFF OFF
OFF OFF ON ON Over-voltage
OFF OFF ON OFF Over-voltage
OFF OFF OFF ON
OFF OFF OFF OFF
ON ON OFF ON Acquisition power good is late Swap out each acquisition
board until problem is resolved
ON OFF OFF ON Acquisition power good went low See AUV0, AUV1, AUV2, or
AUV3