IBM 88371RU, Maintenance And Troubleshooting Manual

Page: 123 / 186

Note: See “System replaceable units” on page 122 to determine which components should be replaced by a field
service technician.
Error code/symptom FRU/action
FFFF or other code not listed
1. Follow indications at “POST (ISPR) error procedures.”
2. SCSI cable.
3. SCSI backplane.
4. Hard disk drive.
5. ServeRAID controller.
POST (ISPR) error procedures
Use the ISPR error procedures to help you solve ServeRAID problems. A complete
list of error codes is listed at “ServeRAID error codes” on page 111.
Note: Where the ISPR Error Procedures refer to a SCSI backplane, see the
chapter of this publication that concerns service replaceable units.
EF10 (Default ISPR)
1. No ISPR error present.
9 ZXX through B ZXX (SCSI bus error caused either by cables, termination,
defective drives, etc.)
1. Isolate between SCSI subsystem and controller by disconnecting all SCSI
cables from suspect card, and reboot.
CAUTION:
Do not press F5. Doing so changes the server’s configuration.
If an ISPR error is still present, perform the following actions until the error is no
longer present:
a. Reseat the controller
b. Replace the controller
Notes:
a. SCSI channel cable details, if any, appear elsewhere in this publication.
b. The adapter/controller detects a configuration change. Do not choose Save
Changes . Instead, press F10 to bypass any options to this effect.
2. If ISPR error is EF10 after disconnecting cables:
a. Identify which channel is causing the error by the second digit (Z) of the
original ISPR code as indicated in the following table:
Note: ServeRAID-4H controllers have 4 channels; ServeRAID-4L and -4Lx
controllers have only one channel; and ServeRAID-4M and -4Mx
controllers have 2 channels. ServeRAID-5i controllers have no
channels. The ServeRAID-5i uses the channel connectors of the
server’s onboard integrated SCSI controller.
Table 5. SCSI identifier
SCSI Channel Code (z) Descriptions
1 Channel 1
2 Channel 2
3 Channel 1 & 2
Chapter 6. Symptom-to-FRU index
113