SHORTED SCRS/DOUBLER FAULT

What does 911 mean?

One of the SCR/Doubler packs has a short circuit between the SCRs. This condition is checked only upon request through the PCU #998 Diagnostics CDU function. The optional handheld PCDU can identify which specific SCR pair is faulty. This fault requires a DSD Power Down.

• Short circuit between SCRs in an SCR/Doubler pack.

Click steps to track your progress.

1. 1

   Use the PCU #998 Diagnostics CDU function to identify the shorted SCR pair.

2. 2

   Replace the faulty SCR/Doubler pack.