Troubleshooting
Both hardware and software (operational code and configuration) problems can
affect the IBM 2216. Light-emitting diodes (LEDs), diagnostic programs, and error
messages provide information needed for problem determination. This manual is
chiefly concerned with diagnosing and correcting hardware problems. Chapter 3,
“Accessing the 2216” on page 3-1 has information about accessing the IBM 2216.
Diagnosing Hardware Problems
Generally, errors that occur
before the operational code is loaded are
hardware-related. Light-emitting diodes (LEDs) on the front of the IBM 2216
indicate how the hardware components are functioning.
Go to “LED Indicators” on page 1-2 for LED status and indicators for the IBM 2216.
See “2216 FRU Exchange” on page 2-3 for information on removal and
replacement procedures for field-replaceable units (FRUs).
See Chapter 4, “Using 2216 Firmware” or Chapter 5, “Using Operational
Diagnostics” (depending on how you are connected to the IBM 2216) to run
hardware diagnostics
before the IBM 2216 has been configured.
Diagnosing Operational Code and Configuration Problems
Generally, errors that occur
after the operational code is loaded indicate problems
with the operational code or configuration file.
Error codes and corrective action are described in the
Event Logging System
Messages Guide.
See Chapter 4, “Using 2216 Firmware” or Chapter 5, “Using Operational
Diagnostics” to run diagnostics
after operational code and configuration files have
been loaded.
1-4
2216 Maintenance Manual
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