POST Error Code FRU/Action

27509 1. Remove redundant adapters, run Auto

IBM program, then retest.

27512 1. WMSELF.DGS diagnostics file is

missing
2. WMSELF.DGS diagnostics file is incorrect

27535 1. 3V Lithium Backup Battery

2. ServerGuard Adapter

27554 1. Internal Temperature out of range

2. ServerGuard Adapter

27555, 27556 1. ServerGuard Adapter

2. Power Supply

27557 1. 7.2V NiCad Main Battery Pack

2. ServerGuard Adapter

27558, 27559, 27560, 27561 1. PCMCIA Type II Modem

2. ServerGuard Adapter

27562 1. External Power Control not connected

2. External Power Control
3. ServerGuard Adapter

27563, 27564 1. External Power Control

2. ServerGuard Adapter

275XX 1. Update Diagnostic Software

27801 to 27879 1. Personal Dictation System

2. Adapter
3. System Board

27880 to 27889 1. External FRU

(Speaker, Microphone)
999030X
Hard disk reset failure
1. Possible hard disk drive problem; see
“Hard disk drive boot error” on page

47.

86 Hardware Maintenance Manual