Desktop Computer Hardware Maintenance Manual
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










