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Program Module Removal and Installation
The modules in the Program Module Kit are seldom exchanged. They are called out
as a FRU with a low failure rate on only three reference codes (301, 401, and 601).
The modules are normally transferred from the old card to the new card when a
controller card, buffer card o r an interface card is exchanged.
Note: If a module needs to be exchanged because it was damaged when it was
transferred from the old card to the new card, o r because the reference codes 301,
401, or 601 occurred, all modules must be exchanged.
Use the procedures "Card and Battery Removal" on page 3-15 and "Interface Card
Removal" on page 3-101 when it is necessary to exchange the modules.
Chapter
3.
Service Procedures
3-29
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