Reference Code Description/Action Perform all actions before exchanging Failing Items Failing Item
0228 Remove Disk Unit K25
Concurrent maintenance informational reference code.
0229 Remove Disk Unit K26
Concurrent maintenance informational reference code.
022A Remove Disk Unit K27
Concurrent maintenance informational reference code.
022B Remove Disk Unit K28
Concurrent maintenance informational reference code.
022C Remove Disk Unit K29
Concurrent maintenance informational reference code.
022D Remove Disk Unit K30
Concurrent maintenance informational reference code.
022E Remove Disk Unit K31
Concurrent maintenance informational reference code.
022F Remove Disk Unit K32
Concurrent maintenance informational reference code.
02AC Detected AC loss
If system powers on normally or stays powered on after AC power failure,
no replacement of parts may be needed.
ACMODUL
0300 Disk Unit 1 regulator has been turned on
Installation of disk unit 1 is complete, and the regulator is turned on.
0301 Disk Unit 2 regulator has been turned on
Installation of disk unit 2 is complete, and the regulator is turned on.
0302 Disk Unit 3 regulator has been turned on
Installation of disk unit 3 is complete, and the regulator is turned on.
0303 Disk Unit 4 regulator has been turned on
Installation of disk unit 4 is complete, and the regulator is turned on.
0304 Disk Unit 5 regulator has been turned on
Installation of disk unit 5 is complete, and the regulator is turned on.
0305 Disk Unit 6 regulator has been turned on
Installation of disk unit 6 is complete, and the regulator is turned on.
0306 Disk Unit 7 regulator has been turned on
Installation of disk unit 7 is complete, and the regulator is turned on.
0307 Disk Unit 8 regulator has been turned on
Installation of disk unit 8 is complete, and the regulator is turned on.
1xxx
System Reference Codes 75