Impl Error Recovery - IBM System/370 145 Operating Procedures Manual

IMPL ERROR RECOVERY
• Are switches set properly?
• Is *370 microprogram disk inserted correctly with label
upright and facing you?
Attempt to re-IMPL using the START CONSOLE FILE
key. If unsuccessful, press the CHECK RESET key and
re-IMPL by using the POWER ON key. If the error
continues, see "Handling Abnormal Situations-
Introductory Flow Chart," page 84,
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IMPL Error Indicator Chart
INDICATOR
START
IMPL
CF
ERROR CONDITION
CONSOLE
REOD
PWR
FILE KEY ON
Wrong disk mounted. Disk inserted
RED
ON ON
upside down or backward. Disk not
turning.
RED
ON ON Error during loading of control storage
RED
ON OFF
Control storage loaded. Error in execution
of system reset ..
I
Oporating Procedures 47