Error Code/Symptom FRU/Action201-XXX-Y22 (Multiple DIMM failure inPair 2; see Table 8 on page 85) 1. Isolate failing DIMM:a. Replace a DIMM in pair with a ″known good″ DIMM.b. Rerun memory diagnostic for the failing pair.c. If test fails, mark replaced DIMM as ″good″ DIMM.d. If test passes, mark replaced DIMM as ″bad″ DIMM.e. If DIMM tested is ″bad″, remove it and replace it.f. If DIMM tested is ″good″, do not replace it.2. Repeat steps 1a through 1f with other DIMM in failing pair until erroris fixed.3. If error is not fixed, replace memory board.201-XXX-Y23 (Multiple DIMM failure inPair 3; see Table 8 on page 85) 1. Isolate failing DIMM:a. Replace a DIMM in pair with a ″known good″ DIMM.b. Rerun memory diagnostic for the failing pair.c. If test fails, mark replaced DIMM as ″good″ DIMM.d. If test passes, mark replaced DIMM as ″bad″ DIMM.e. If DIMM tested is ″bad″, remove it and replace it.f. If DIMM tested is ″good″, do not replace it.2. Repeat steps 1a through 1f with other DIMM in failing pair until erroris fixed.3. If error is not fixed, replace memory board.201-XXX-Y24 (Multiple DIMM failure inPair 4; see Table 8 on page 85) 1. Isolate failing DIMM:a. Replace a DIMM in pair with a ″known good″ DIMM.b. Rerun memory diagnostic for the failing pair.c. If test fails, mark replaced DIMM as ″good″ DIMM.d. If test passes, mark replaced DIMM as ″bad″ DIMM.e. If DIMM tested is ″bad″, remove it and replace it.f. If DIMM tested is ″good″, do not replace it.2. Repeat steps 1a through 1f with other DIMM in failing pair until erroris fixed.3. If error is not fixed, replace memory board.202-XXX-001 (Failed Processor cachetest)Microprocessor 1202-XXX-002 (Failed Processor cachetest)Microprocessor 2202-XXX-003 (Failed Processor cachetest)Microprocessor 3202-XXX-004 (Failed Processor cachetest)Microprocessor 4203-XXX-000 (External cache aborted) [Not supported]206-XXX-000 (Failed Diskette Drive test) 1. Cable2. Diskette Drive3. System Board215-XXX-000 (Failed IDE CD-ROM test) 1. CD-ROM Drive Cables2. CD-ROM Drive3. System Board126 Hardware Maintenance Manual: xSeries 360 Type 8686