Reference Code Description/Action Perform all actions before exchanging Failing Items Failing Item
FF4D IOP to tape unit interface error; logged only
No action required. This reference code is logged for information only.
FF5D Tape unit response error; logged only
No action required. This reference code is logged for information only.
FFF6 Volume statistics; logged only
No action required. This reference code is logged for information only.
FFFE Read data error: tape path dirty
This error may be caused by a dirty recording head, poor or damaged
tapes, worn or damaged data cartridges, or using a format that is not
correct.
1. Switch off power to the tape unit.
2. Switch on power to the tape unit.
3. Clean the recording head in the tape unit. Use the IBM Cleaning
Cartridge Kit (part 21F8593).
4. Visually inspect the data cartridge. If it is damaged, discard it.
5. Check the lifetime statistics on the system for this tape volume ID (see
the System Operation information). If the cartridge has a history of tape
errors, discard it.
If the data on the tape was not written by an AS/400 system, the format
may not be correct.
Do not use the cleaning cartridge more than 12 times.
Each data cartridge must have a unique volume ID label. The user must
assign a volume ID when the tape is initialized (INZTAP).
MLVTMED
91F0914
FFFF Write data error: tape path dirty
This error may be caused by a dirty recording head, poor or damaged
tapes, worn or damaged data cartridges, or using a format that is not
correct.
1. Switch off power to the tape unit.
2. Switch on power to the tape unit.
3. Clean the recording head in the tape unit. Use the IBM Cleaning
Cartridge Kit (part 21F8593).
4. Visually inspect the data cartridge. If it is damaged, discard it.
5. Check the lifetime statistics on the system for this tape volume ID (see
the System Operation information). If the cartridge has a history of tape
errors, discard it.
If the data on the tape was not written by an AS/400 system, the format
may not be correct.
Do not use the cleaning cartridge more than 12 times.
Each data cartridge must have a unique volume ID label. The user must
assign a volume ID when the tape is initialized (INZTAP).
MLVTMED
91F0914
7208
Chapter 2. Unit Reference Codes 165