To test the power supply:
1. Unplug the AC power.
2. Disconnect all internal power supply cables from the system board.
3. Plug in AC power.
●
If the green BIST LED (illustrated below) on the rear of the workstation is illuminated and the
fan is spinning, the power supply is functional.
●
If the green BIST LED is not illuminated or the fan is not spinning, replace the power supply.
Figure 6-1 Testing power supply with BIST LED
Table 6-3 Power supply problems
Problem Cause Solution
Power supply shuts down
intermittently.
Power supply fault. Replace the power supply.
ENWW Customer Self Help 115
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