MEMCTLR

The failing component is one of the memory controllers.

Use the following table to determine what FRU to replace and how to replace it.

Note: To simplify this information, secondary units on the 570 server are numbered 1 through 3-secondary unit 1 being nearest to the primary unit and secondary unit 3 being furthest.

Table 1. MEMCTLR failing components
System model	Name of symbolic FRU to locate	FRU name (replace in order, one at a time)	Link to locations information
505	MEMCTLR	System backplane	Locations — model 505
510 and OpenPower® 710	MEMCTLR	System backplane	Locations — model 510 and OpenPower 710
520	MEMCTLR	System backplane	Locations — Model 520
550 and OpenPower 720	MEMCTLR	Processor card 1Processor card 2	Locations — OpenPower 720 and Model 550
570	MEMCTLR	For each unit, starting with the primary unit and then the secondary units:Processor card 1Processor card 2	Locations — Model 570
575	MEMCTLR	Processor backplane	Locations — model 575
590 and 595	MEMCTLR	For each node starting with node 0:MCM 0MCM 1	Locations — model 590 and 595

This ends the procedure.