IBM 342 7208 Service Manual page 88

7208 20gb external 8mm tape drive

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Appendix B. Fault Symptom Codes and Error Recovery Procedure Numbers

¦ Servo zone readback check failure

+-----------+------------------------------------+-----------+-----------¦

¦ Head sync error during WRITE

+-----------+------------------------------------+-----------+-----------¦

¦ Underrun error during WRITE

+-----------+------------------------------------+-----------+-----------¦

¦ IPORT write buffer parity error

+-----------+------------------------------------+-----------+-----------¦

¦ DPORT WRITE parity error

+-----------+------------------------------------+-----------+-----------¦

¦ PPORT WRITE parity error

+-----------+------------------------------------+-----------+-----------¦

¦ IPORT READ parity error

+-----------+------------------------------------+-----------+-----------¦

¦ DPORT READ parity error

+-----------+------------------------------------+-----------+-----------¦

¦ PPORT READ parity error

+-----------+------------------------------------+-----------+-----------¦

¦ Servo software error

+-----------+------------------------------------+-----------+-----------¦

¦ Servo hardware error

+-----------+------------------------------------+-----------+-----------¦

¦ Not tracking

+-----------+------------------------------------+-----------+-----------¦

¦ EOT encountered during a motion

¦ command

+-----------+------------------------------------+-----------+-----------¦

¦ Not tracking -- loss of PLL

+-----------+------------------------------------+-----------+-----------¦

¦ LBOT WRITE failure

+-----------+------------------------------------+-----------+-----------¦

¦ LBOT ATM write failure

+-----------+------------------------------------+-----------+-----------¦

¦ Read manager could not read LBOT

+-----------+------------------------------------+-----------+-----------¦

¦ EOT encountered during buffer

¦ flush

+-----------+------------------------------------+-----------+-----------¦

¦ Power-on reset occurred

+-----------+------------------------------------+-----------+-----------¦

¦ Tape may have been changed

+-----------+------------------------------------+-----------+-----------¦

¦ Mode Select parameters have

¦ changed

+-----------+------------------------------------+-----------+-----------¦

¦ New ucode was loaded

+-----------+------------------------------------+-----------+-----------¦

¦ Operator requested media removal

+-----------+------------------------------------+-----------+-----------¦

¦ Incompatible media was rejected

+-----------+------------------------------------+-----------+-----------¦

¦ Not ready, cause not known

+-----------+------------------------------------+-----------+-----------¦

¦ Not ready, in process of becoming

¦ ready

+-----------+------------------------------------+-----------+-----------¦

¦ A backup positioning command is

¦ required

+-----------+------------------------------------+-----------+-----------¦

¦ Command requires a tape and none

¦ is loaded

+-----------+------------------------------------+-----------+-----------¦

¦ Log Threhold met

+-----------+------------------------------------+-----------+-----------¦

¦ Log Parameter changed

+-----------+------------------------------------+-----------+-----------¦

¦ Parameter List Length error in CDB ¦

7208 Tape Drive Service Guide

8,6

7,3

B.0 - 4

T = 70%

D = 90%

T = 10%

D = 100% ¦

D = 10%

T = 90%

D = 40%

T = 60%

D = 100% ¦

D = 40%

T = 60%

D = 30%

T = 70%

D = 30%

T = 70%

D = 30%

T = 70%

D = 50%

S = 50%

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