OPEN SCR FAULT

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One of the SCRs does not conduct current as expected. 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.

• Non-conducting SCR.
• Faulty SCR gating leads.

Klikk på steg for å spore fremgangen.

1. 1

   Use the PCU #998 Diagnostics CDU function to identify the non-conducting SCR pair.

2. 2

   Check for faulty SCR gating leads.

3. 3

   Replace the faulty SCR.