| Symptom / Error | FRU / Action | 
| 0100 01XX Multiprotocol Adapter/A not found
 | Information only | 
| 0100 02XX Card selected feedback error
 | 1. Run Advanced Diagnostics | 
| 0100 07XX | 1. Communications Cable 2. Multiprotocol Adapter /A
 | 
| 0100 08XX / 0100 09XX | 1. Multiprotocol Adapter /A 2. Any Serial Device
 | 
| 0100 XXXX not listed above
 | 1. Multiprotocol Adapter /A 2. System Board
 3. Bus Adapter
 | 
|  | 
| 0101 102X / 0101 106X 0101 108X / 0101 109X
 | 1. Modem Adapter /A 2. Data/Fax Modem
 3. Any Serial Device
 | 
| 0101 01XX / 0101 02XX 0101 04XX / 0101 05XX
 0101 06XX / 0101 07XX
 0101 08XX / 0101 09XX
 0101 11XX / 0101 12XX
 0101 03XX / 0101 14XX
 0101 05XX / 0101 16XX
 | 1. Have the customer verify that the correct operating system device drivers are installed and operational. 2. Modem
 | 
| 0101 03XX / 0101 10XX 0101 171X
 | 1. System Board 2. Data/Fax Modem
 | 
| 0101 17XX not listed above
 | 1. Check system speaker 2. Check PSTN cable
 3. External DAA if installed
 4. Modem
 | 
| 0101 18XX | 1. Run System Diagnostics and verify the correct operation of the modem slot 2. Modem
 | 
| 0101 19XX | 1. Diagnostics detected a Non-IBM modem 2. Modem
 | 
| 0101 20XX | 1. Check PSTN Cable 2. External DAA (if installed)
 3. Modem
 | 
| 0101 32XX / 0101 33XX 0101 34XX / 0101 35XX
 0101 36XX / 0101 37XX
 0101 38XX / 0101 39XX
 0101 40XX / 0101 41XX
 0101 42XX / 0101 43XX
 0101 44XX / 0101 45XX
 0101 46XX / 0101 47XX
 0101 48XX / 0101 49XX
 0101 50XX / 0101 51XX
 0101 52XX
 | 1. Modem | 
| 0101 53XX | 1. Data/Fax Modem 2. System Board
 | 
| 0101 XXXX not listed above
 | 1. Modem Adapter /A 2. Data/Fax Modem
 3. System Board
 | 
|  | 
| 0104 50XX / 0104 51XX 0104 90XX / 0104 91XX
 0104 92XX / 0104 99XX
 ESDI Read/write error
 | 1. Run Advanced Diagnostics 2. Riser Card (if installed)
 3. ESDI Hard Disk Drive
 4. System Board
 | 
| 0104 52XX ESDI Seek test error
 | 1. Run Advanced Diagnostics | 
| 0104 53XX ESDI Wrong drive type ?
 | Information only | 
| 0104 54XX ESDI Sector buffer test error
 | 1. Run Advanced Diagnostics | 
| 0104 55XX / 0104 56XX ESDI Controller error
 | 1. Run Advanced Diagnostics | 
| 0104 59XX ESDI Drive diagnostic command error
 | Information only | 
| 0104 61XX ESDI Drive format error
 | 1. Run Advanced Diagnostics | 
| 0104 62XX ESDI Controller seek error
 | 1. Run Advanced Diagnostics | 
| 0104 64XX ESDI Hard Disk read error
 | 1. Run Advanced Diagnostics | 
| 0104 67XX ESDI Drive non fatal seek error
 | 1. Run Advanced Diagnostics | 
| 0104 68XX ESDI Drive fatal seek error
 | 1. Run Advanced Diagnostics | 
| 0104 69XX ESDI Drive soft error count exceeded
 | 1. Run Advanced Diagnostics | 
| 0104 70XX / 0104 71XX 0104 72XX
 ESDI Controller wrap error
 | 1. Run Advanced Diagnostics | 
| 0104 73XX ESDI Corrupt data. Low level might be required
 | Information only | 
| 0104 80XX | 1. ESDI Hard Disk Drive 2. Drive Cable
 3. ESDI Controller
 4. System Board
 5. Riser Card (if applicable, Mod. 50, 55, 70)
 | 
| 0104 81XX ESDI drive D seek error
 | 1. Run Advanced Diagnostics | 
| 0104 82XX ESDI Drive select acknowledgement bad
 | 1. Run Advanced Diagnostics | 
| 0104 83XX For Mod. 55SX (8555-X61) see also here !
 | 1. ESDI Hard Disk Adapter 2. System Board
 | 
| 0104 90XX / 0104 91XX ESDI Drive 0,1 read error
 | 1. Run Advanced Diagnostics 2. Riser Card (If installed)
 3. ESDI Hard Disk Drive
 4. System Board
 | 
| 0104 99XX ESDI Drive controller error
 | 1. Run Advanced Diagnostics 2. Riser Card (If installed)
 3. ESDI Hard Disk Drive
 4. System Board
 | 
| 0104 XXXX not listed above
 | 1. ESDI Hard Disk Drive 2. ESDI Hard Disk Adapter
 3. Hard Disk Cable or Riser Card
 4. Power Supply
 | 
|  | 
| 0106 XXXX (See 'Network Service Procedures')
 | 1. Ethernet Network Adapter 2. System Board
 3. Bus Adapter
 | 
|  | 
| 0107 XXXX 
 | 1. 5.25" External Floppy Drive 2. 5.25" External Floppy Adapter
 | 
|  | 
| 0109 XXXX (Check the adapter cables)
 | 1. Actionmedia Adapter/A 2. System Board
 | 
|  | 
| 0112 XXXX (This adapter does not have cache)
 | 1. SCSI Adapter 2. Any SCSI device
 3. System Board
 | 
|  | 
| 0119 XXXX | 1. 3119 Scanner Adapter |