1.8V supply low

What does 48 mean?

The 1.8V DC supply on the control card, crucial for its internal logic, has dropped below its allowable limits. This low voltage indicates a potential fault on the control card itself or an overload caused by an option card, leading to unstable operation or complete control card failure.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Try removing the option card temporarily to see if the warning clears.