IBM System x3500

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, “Parts listing, System x3500 Type 7977,” on page 41 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Error code Description Action
1604 Machine type mismatch detected. The error
might be displayed after updating the BIOS
to version 1.40 or the operator information
panel is disconnected.
1. Run the Configuration/Setup Utility program,
select Load Default Settings, and save the
settings.
2. Update the BIOS code to version 1.43 or higher
and make sure the machine type information for
the server is correct.
3. Update the BMC firmware (see “Updating the
firmware” on page 13.
4. Make sure that the operator information panel
cables are correctly connected (verify LED
activity).
5. (Trained service technician only) Replace the
system board.
6. Check the Light Path Display (LPD) connection.
1762 Fixed disk configuration error.
1. Run the Configuration/Setup Utility program and
load the defaults.
2. Reseat the following components:
a. SAS cables
b. SAS hard disk drive
3. Replace the following components, one at a time,
in the order shown, restarting the server each
time:
a. SAS cables
b. SAS hard disk drive
c. (Trained service technician only) System
board
178x Fixed disk error.
1. Reseat the hard disk drive cables.
2. Replace the hard disk drive cables.
3. Run the hard disk drive diagnostic tests.
4. Reseat the following components:
a. Optional ServeRAID-8i adapter
b. Hard disk drive
5. Replace the following components, one at a time,
in the order shown, restarting the server each
time:
a. Optional ServeRAID-8i adapter
b. Hard disk drive
c. (Trained service technician only) System
board
1800 Unavailable PCI hardware interrupt.
1. Run the Configuration/Setup Utility program and
adjust the adapter settings.
2. Remove each adapter one at a time, restarting
the server each time, until the problem is isolated.
106 IBM System x3500 Type 7977: Problem Determination and Service Guide