1.8 V supply low

What does 48 mean?

The 1.8 V DC internal power supply on the control card, crucial for its operation, is outside its allowable limits. This indicates a potential issue with the control card itself or an overvoltage condition if an option card is present. This can lead to erratic behavior or complete failure of the control card.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   If the fault persists after troubleshooting, the control card is likely defective and requires replacement.