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IBM 7208 Service Manual

20gb external 8mm tape drive
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COVER Book Cover
--------------------------------------------------------------------------
7208 20GB External 8mm Tape Drive
Service Guide
Model 342
Document Number SA37-0381-00
Part Number 59H3813
--------------------------------------------------------------------------
7208 Tape Drive Service Guide
Book Cover
All manuals and user guides at all-guides.com
¦ Copyright IBM Corp. 1998
COVER - 1

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  • Page 1 7208 Tape Drive Service Guide Book Cover All manuals and user guides at all-guides.com COVER Book Cover -------------------------------------------------------------------------- 7208 20GB External 8mm Tape Drive Service Guide Model 342 Document Number SA37-0381-00 Part Number 59H3813 -------------------------------------------------------------------------- ¦ Copyright IBM Corp. 1998...
  • Page 2 7208 Tape Drive Service Guide Notices All manuals and user guides at all-guides.com NOTICES Notices +--- Note! ----------------------------------------------------------+ ¦ Before using this information and the product it supports, be sure ¦ ¦ to read the general information under "Notices" in topic FRONT_1.
  • Page 3 IBM Corporation, Department 61C, 9000 South Rita Road, Tucson, Arizona 85744-0001, U.S.A. When you send information to IBM, you grant IBM a nonexclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you.

  • Page 4: Table Of Contents

    7208 Tape Drive Service Guide Table of Contents All manuals and user guides at all-guides.com CONTENTS Table of Contents COVER Book Cover NOTICES Notices EDITION Edition Notice CONTENTS Table of Contents FRONT_1 Notices FRONT_1.1 Safety Notices FRONT_1.1.1 Danger Notice FRONT_1.1.2 Caution Notice FRONT_1.1.3...

  • Page 5: Front_1 Notices

    IBM operates. Any reference to an IBM program or other IBM product in this publication is not intended to state or imply that only IBM's program or other product may be used. Any functionally equivalent program that does not infringe any of IBM's intellectual property rights may be used instead of the IBM product.

  • Page 6: Front_1.1

    7208 Tape Drive Service Guide Safety Notices All manuals and user guides at all-guides.com FRONT_1.1 Safety Notices When using this product, observe the danger, caution, and attention notices contained in this guide. Each danger and caution notice contains a reference number (72XXDxxx or 72XXCxxx). Use the reference number to check the translation in External Devices Safety Information, SA26-7003.

  • Page 7: Front_1.1.1

    7208 Tape Drive Service Guide Danger Notice All manuals and user guides at all-guides.com FRONT_1.1.1 Danger Notice A danger notice calls attention to a situation that is potentially lethal or extremely hazardous to people. The following is a sample danger notice: +------------------------------------------------------------------------+ ¦...

  • Page 8: Front_1.1.2

    7208 Tape Drive Service Guide Caution Notice All manuals and user guides at all-guides.com FRONT_1.1.2 Caution Notice A caution notice calls attention to a situation that is potentially hazardous to people because of some existing condition. The following is a sample caution notice: +------------------------------------------------------------------------+ ¦...

  • Page 9: Front_1.1.3

    An attention notice indicates the possibility of damage to a program, device, system, or data. The following is a sample attention notice: Attention: Do not operate the 7208 Tape Drive in a poor air-quality environment. If your environment contains an excessive amount of particulates, contact your service representative for more information.

  • Page 10: Front_1.2

    This unit contains recyclable materials. The materials should be recycled where facilities are available and according to local regulations. In some areas IBM may provide a product take-back program that ensures proper handling of the product. Contact your IBM representative for more information.

  • Page 11: Front_1.3

    7208 Tape Drive Service Guide Safety Inspection Procedures All manuals and user guides at all-guides.com FRONT_1.3 Safety Inspection Procedures DANGER +--------------------------------------------------------+ PICTURE 3 ¦ To prevent a possible electrical shock from touching ¦ ¦ two surfaces with different electrical grounds, use ¦...
  • Page 12 Figure 1. Safety Inspection Perform the following safety checks. 1. Do a controlled system shutdown. Refer to the instructions in Topic 2, "Setting Up the 7208 Tape Drive," in the 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide.
  • Page 13 Figure 2. AC Grounding Diagram (50 Hz and 60 Hz) 14. With the external power cable ( 1 in Figure 3) connected to the 7208 Tape Drive, check to ensure 1.0 ohm or less resistance between the ground lug on the external power cable plug and the metal frame.
  • Page 14 Note: Use an analog meter to measure grounding resistance; do not use a digital multimeter. 15. If the 7208 Tape Drive passes the test in the previous step, plug its external power cable into the electrical outlet. If the 7208 Tape Drive does not pass the test, see Chapter 3, "Maintenance Analysis Procedures"...

  • Page 15: Front_1.4

    All manuals and user guides at all-guides.com FRONT_1.4 Electronic Emission Notices The following statement applies to this IBM product. The statement for other IBM products intended for use with this product will appear in their accompanying manuals. Federal Communications Commission (FCC) Statement...

  • Page 16: Front_1.5

    7208 Tape Drive Service Guide Trademarks All manuals and user guides at all-guides.com FRONT_1.5 Trademarks The following terms are trademarks of the IBM Corporation in the United States or other countries or both: AS/400 OS/400 The following terms are trademarks of other companies:...

  • Page 17: Front_2 About This Guide

    Topic 4, "Removal and Replacement Procedures," provides the removal and replacement procedures required to service the 7208 Tape Drive. Topic 5, "Parts Diagram and Parts List," provides a parts diagram and parts list required to service the 7208 Tape Drive. Appendix A, "Power Cables," provides power cable information for different countries.

  • Page 18: Front_2.1

    All manuals and user guides at all-guides.com FRONT_2.1 Related Publications 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide, SA37-0380, provides information about installing and operating the 7208 Tape Drive. External Devices Safety Information, SA26-7003, provides translations of danger and caution notices.

  • Page 19: Chapter 1. Reference Information

    All manuals and user guides at all-guides.com 1.0 Chapter 1. Reference Information The 7208 20GB External 8mm Tape Drive Model 342 is an external storage device that connects to the IBM AS/400 and stores additional data. The 7208 Tape Drive:...
  • Page 20 Front View All manuals and user guides at all-guides.com 1.1 Front View Figure 4 shows the front view of the 7208 Tape Drive Model 342. Figure 4. Front View of the 7208 Tape Drive Model 342 Subtopics 1.1.1 Operator Controls 1.1.2 Indicator Lights...
  • Page 21 7208 Tape Drive Service Guide Operator Controls All manuals and user guides at all-guides.com 1.1.1 Operator Controls The 7208 Tape Drive has the following operator controls. Subtopics 1.1.1.1 Power Switch 1.1.1.2 Unload Button ¦ Copyright IBM Corp. 1998 1.1.1 - 1...
  • Page 22 1.1.1.1 Power Switch The power switch ( 1 in Figure 4 in topic 1.1) is a push button switch that enables the power to be turned on or off. When the 7208 Tape Drive is on, the power-on light 2 is on.
  • Page 23 1.1.1.2 Unload Button The unload button 3 enables a tape cartridge to be ejected. The unload button operates only when the 7208 Tape Drive power is on. To remove a tape cartridge, press and hold the unload button for about one second.
  • Page 24 7208 Tape Drive Service Guide Indicator Lights All manuals and user guides at all-guides.com 1.1.2 Indicator Lights The 7208 Tape Drive Model 342 has the following indicator lights. Subtopics 1.1.2.1 Power-On Light 1.1.2.2 Status Lights ¦ Copyright IBM Corp. 1998...
  • Page 25 7208 Tape Drive Service Guide Power-On Light All manuals and user guides at all-guides.com 1.1.2.1 Power-On Light When the 7208 Tape Drive is turned on, the power-on light 2 comes on and stays on. ¦ Copyright IBM Corp. 1998 1.1.2.1 - 1...
  • Page 26 All manuals and user guides at all-guides.com 1.1.2.2 Status Lights Three status lights 4 and their ISO symbols appear on the 7208 Tape Drive as follows: The combinations of the lights and their definitions are shown in Figure 5. +------------------------------------------------------------------------+ ¦...
  • Page 27 7208 Tape Drive Service Guide Status Lights All manuals and user guides at all-guides.com ¦ ¦ ¦ flashes after the reset, ¦ ¦ ¦ ¦ contact your service ¦ ¦ ¦ ¦ representative. ¦ +------------------------------------------------------------------------¦ +------------------------------------------------------------------------¦ ¦ PICTURE 23 ¦...
  • Page 28 1.1.3 Liquid Crystal Display The 7208 Tape Drive features a liquid crystal display (LCD) ( 5 in Figure 4 in topic 1.1). The LCD provides operating and error messages. Figure 6 shows a list of messages that display on the LCD.
  • Page 29 7208 Tape Drive Service Guide Liquid Crystal Display All manuals and user guides at all-guides.com ¦ >> SEARCH¦¦==== ¦ ¦ ¦ ¦ A high-speed search is in progress. ¦ ¦ << SEARCH¦¦==== ¦ ¦ +-----------------------+------------------------------------------------¦ ¦ << REWIND¦¦¦=== ¦ The rewind function is in progress.
  • Page 30 7208 Tape Drive Service Guide Rear View All manuals and user guides at all-guides.com 1.2 Rear View Figure 7 shows the connector locations on the 7208 Tape Drive Model 342: +------------------------------------------------------------------------+ ¦ ¦ SCSI address switch ¦ ¦ Fan ¦...
  • Page 31 7208 Tape Drive Service Guide Rear View of the Drive All manuals and user guides at all-guides.com 1.3 Rear View of the Drive Figure 8 shows the connector locations on the drive: +------------------------------------------------------------------------+ ¦ ¦ Internal SCSI bus connector ¦...
  • Page 32 7208 Tape Drive Service Guide Internal View All manuals and user guides at all-guides.com 1.4 Internal View Figure 9 shows the inside of the 7208 Tape Drive Model 342: +------------------------------------------------------------------------+ ¦ ¦ Drive ¦ ¦ Cooling fan ¦ +------+-----------------------------+------+----------------------------¦ ¦...
  • Page 33 7208 Tape Drive Service Guide Specifications All manuals and user guides at all-guides.com 1.5 Specifications +------------------------------------------------------------------------+ ¦ Figure 10. Specifications for the 7208 Tape Drive Model 342 ¦ +------------------------------------------------------------------------¦ ¦ Physical Specifications ¦ +------------------------------------------------------------------------¦ ¦ Width ¦ 250 mm (9.8 in.) ¦...
  • Page 34 MUST CLEAN. The 7208 Tape Drive counts the number of hours of tape motion and indicates when it is time to clean the tape drive by displaying the message CLEAN SOON and turning on the Fault status light.
  • Page 35 All manuals and user guides at all-guides.com Figure 11. Loading the Cleaning Cartridge 3. Slide the cartridge into the opening on the front of the 7208 Tape Drive until the loading mechanism pulls the cartridge into the drive and the drive door closes.

  • Page 36: Chapter 2. Using The Media

    Chapter 2. Using the Media All manuals and user guides at all-guides.com 2.0 Chapter 2. Using the Media Use only IBM 8mm cartridges with the 7208 Tape Drive. Subtopics 2.1 Types of 8mm Cartridges 2.2 Guidelines for Using Tape Cartridges 2.3 Storage and Shipping Environments...
  • Page 37 Types of 8mm Cartridges All manuals and user guides at all-guides.com 2.1 Types of 8mm Cartridges The 7208 Tape Drive Model 342 is shipped with an advanced metal-evaporated (AME) data cartridge, an AME test cartridge, and a cleaning cartridge. Data Cartridge Use the AME data cartridge for saving or restoring your programs or data.
  • Page 38 Observe the following guidelines for using media with the 7208 Tape Drive Model 342: Attention: Do not use video-grade cartridges, as they are hazardous to the 7208 Tape Drive and will void your warranty. Before using a cartridge, let it acclimate to the operating environment for as long as it has been away from the environment or for 24 hours, whichever is less.
  • Page 39 7208 Tape Drive Service Guide Storage and Shipping Environments All manuals and user guides at all-guides.com 2.3 Storage and Shipping Environments Before using an 8mm tape cartridge, let it acclimate by placing the cartridge in the operating environment for as long as it has been away from the environment, or for 24 hours, whichever is less.
  • Page 40 2.4 Operating in Harsh Environments The 7208 Tape Drive is ideally suited to streaming operations, as opposed to multiple stop-and-start, random-search tape operations. When the tape is used for frequent stop-and-start operations, it is beneficial to still have as much streaming movement as possible. This can be accomplished by ensuring that any save or restore operation is the only active operation being performed.
  • Page 41 7208 Tape Drive Service Guide Setting the Write-Protect Switch All manuals and user guides at all-guides.com 2.5 Setting the Write-Protect Switch The position of the write-protect switch on the 8mm tape cartridge determines when you can write to the tape.
  • Page 42 7208 Tape Drive Service Guide Setting the Write-Protect Switch All manuals and user guides at all-guides.com Figure 14. Setting the Write-Protect Switch ¦ Copyright IBM Corp. 1998 2.5 - 2...
  • Page 43 2.6 Ordering Tape Cartridges Figure 15 lists the tape cartridges that you can order for the 7208 Tape Drive Model 342. To order cartridges in the United States and Canada, call 1-888-IBM-MEDIA. To order cartridges in other locations, contact your local provider of IBM storage products.

  • Page 44: Chapter 3. Maintenance Analysis Procedures

    7208 Tape Drive Service Guide Chapter 3. Maintenance Analysis Procedures All manuals and user guides at all-guides.com 3.0 Chapter 3. Maintenance Analysis Procedures +------------------------------------------------------------------------+ ¦ ¦ DANGER ¦ ¦ ¦ +------------------------------------------------------+ ¦ ¦ PICTURE 32 ¦ ¦ An electrical outlet that is not correctly wired ¦...
  • Page 45 ¦ +------------------------------------------------------------------------+ If a problem is detected, the procedure isolates the problem to the failing field replaceable unit (FRU), such as the 7208 Tape Drive cover, drive, power supply, or cooling fan. For instructions about removing or replacing a FRU, refer to Chapter 4, "Removal and Replacement Procedures" in topic 4.0.
  • Page 46 7208 Tape Drive Service Guide Flowchart of the MAPs All manuals and user guides at all-guides.com 3.2 Flowchart of the MAPs ¦ Copyright IBM Corp. 1998 3.2 - 1...
  • Page 47 7208 Tape Drive Service Guide Flowchart of the MAPs All manuals and user guides at all-guides.com Figure 16. Flowchart of the Maintenance Analysis Procedures (MAPs) ¦ Copyright IBM Corp. 1998 3.2 - 2...

  • Page 48: Step

    All manuals and user guides at all-guides.com 3.3 Step 1 This step verifies whether the 7208 Tape Drive is receiving electrical power and the fan is operating properly. 1. Make sure that the 7208 Tape Drive power cable is plugged into an electrical outlet.

  • Page 49: Step

    This step tests the voltage at the electrical outlet. 1. Press the 7208 Tape Drive power switch to turn off the power. 2. Unplug the 7208 Tape Drive power cable from the electrical outlet and from the 7208 Tape Drive. 3. Measure the voltage at the electrical outlet.

  • Page 50: Step

    7208 Tape Drive Service Guide Step 3 All manuals and user guides at all-guides.com 3.5 Step 3 This step determines whether the power cable is functional. Make sure that all of the conductors in the power cable have continuity, and that there are no short circuits.

  • Page 51: Step

    This step prepares the 7208 Tape Drive to determine whether the power supply, fan, or tape drive is the cause of the problem. 1. Do a controlled system shutdown (refer to the instructions in Topic 2, "Setting Up the 7208 Tape Drive," in the 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide).

  • Page 52: Step

    7208 Tape Drive Service Guide Step 5 All manuals and user guides at all-guides.com 3.7 Step 5 This step examines the cooling fan as the possible source of the problem. 1. Press the power switch to turn off the power.

  • Page 53: Step

    7208 Tape Drive Service Guide Step 6 All manuals and user guides at all-guides.com 3.8 Step 6 This step examines the drive as the possible source of the problem. 1. Press the power switch to turn off the power. 2. Reconnect the power supply connector (J2) to the drive.

  • Page 54: Step

    Is the SCSI address set correctly? Set the SCSI address to 0, then go to Step 12. Refer to the instructions for setting the SCSI address in the 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide.

  • Page 55: Step

    Removing a Tape Cartridge" in topic 4.6. 2. With the power turned on to the 7208 Tape Drive, insert a blank IBM data cartridge (part number 59H2678 or 59H2671). 3. Check that after approximately 20 seconds, the Ready light comes on and stays on, and the LCD displays the message READY-TAPE.

  • Page 56: Step

    7208 Tape Drive Service Guide Step 9 All manuals and user guides at all-guides.com 3.11 Step 9 This step examines the drive as the possible source of the problem. While pressing the power switch to turn on the power, watch for the following: The three status lights come on for approximately 10 seconds, then go out.

  • Page 57: Step

    3. Disconnect the power supply connector (J2) between the power supply and the cooling fan. 4. Connect the power cable to both the 7208 Tape Drive and to the electrical outlet. 5. Press the power switch to turn on the power.

  • Page 58: Step

    Does the power-on light come and stay on, and is there airflow from the fan? Verify that the 7208 Tape Drive was reassembled correctly. If the power-on light still does not come on and there is no airflow from the fan, go to Step 1.

  • Page 59: Step

    This step ensures that the external SCSI bus cable connection is proper. Ensure that the SCSI bus cable is properly connected to both the AS/400 and to the 7208 Tape Drive. Is the SCSI bus cable properly connected to the AS/400 and to the 7208 Tape Drive? Plug the SCSI bus cable into both the AS/400 and the 7208 Tape Drive, then go to Step 13.

  • Page 60: Step

    7208 Tape Drive Service Guide Step 13 All manuals and user guides at all-guides.com 3.15 Step 13 This step ensures that the terminator is properly connected. Ensure that the terminator is properly connected to the last device on the SCSI bus.

  • Page 61: Step

    2. In the Type field of the Work with Configuration Status screen, type *dev, then tab to the Configuration description field. 3. In the Configuration description field, type *tap and press Enter. Does the 7208 Tape Drive that you are configuring appear under the Description column, and can it be powered off and on successfully? Note: To determine the number of the 7208 Tape Drive that you are configuring, refer to the instructions for performing the checkout procedure in the 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide.
  • Page 62 Note: To determine the correct IOP device, refer to the number of the SCSI controller that you noted when connecting the SCSI bus cable in the 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide. Controller number 1 is identified as SI01, controller 2 is SI02, and so on.
  • Page 63 All manuals and user guides at all-guides.com 3.18 Step 16 This step verifies that the 7208 Tape Drive communicates with the AS/400 and is capable of reading from and writing to tape properly. 1. At any OS/400 menu command line, type vfytap and press Enter.

  • Page 64: Chapter 4. Removal And Replacement Procedures

    Removal and Replacement Procedures This topic describes the procedures to follow when removing and replacing the field replaceable units (FRUs), such as the 7208 Tape Drive cover, drive, power supply, and cooling fan. It also describes how to manually remove a tape cartridge.
  • Page 65 7208 Tape Drive Service Guide Handling Static-Sensitive Devices All manuals and user guides at all-guides.com 4.1 Handling Static-Sensitive Devices Attention: Tape drives are sensitive to static electricity discharge. When handling a tape drive, wrap it in an antistatic bag to prevent damage.
  • Page 66 1. If a tape cartridge is loaded in the drive, eject it. 2. Do a controlled system shutdown (refer to the instructions in Topic 2, "Setting up the 7208 Tape Drive," in the 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide).
  • Page 67 7208 Tape Drive Service Guide Removing and Replacing the Cover All manuals and user guides at all-guides.com Figure 19. Removing and Replacing the Cover ¦ Copyright IBM Corp. 1998 4.2 - 2...
  • Page 68 1. Perform the cover removal procedure. Refer to "Removing and Replacing the Cover" in topic 4.2. 2. Tilt the 7208 Tape Drive on its side. Support the drive ( 1 in Figure 20) while removing the four screws 2 that secure the drive to the chassis.
  • Page 69 After installing the cover, align the drive with the front of the cover, then tighten the four screws ( 2 in Figure 20) that secure the drive to the chassis. Note: The power supply connector J3 is not used in the 7208 Tape Drive Model 342. ¦ Copyright IBM Corp. 1998...
  • Page 70 1. Perform the cover removal procedure. Refer to "Removing and Replacing the Cover" in topic 4.2. 2. Tilt the 7208 Tape Drive ( 1 in Figure 21) on its side. Support the power supply while removing the power supply mounting screw 2 from the bottom.
  • Page 71 Arrange the cables so that they do not interfere with the cooling fan blades or the replacement of the cover. Ensure that they do not obstruct airflow through the fan. Note: The power supply connector J3 is not used in the 7208 Tape Drive. ¦ Copyright IBM Corp. 1998...
  • Page 72 2. Disconnect the power supply connector (J2) ( 1 in Figure 22) between the power supply and the cooling fan. 3. Remove the two screws, lockwashers, and nuts 2 that secure the cooling fan to the rear of the 7208 Tape Drive.
  • Page 73 If a power failure or a drive failure prevents the tape cartridge from ejecting, the cartridge can be removed manually. Before manually removing the tape cartridge, turn off the 7208 Tape Drive, then turn it on again to clear potential error conditions. Press the unload button.
  • Page 74 7208 Tape Drive Service Guide Manually Removing a Tape Cartridge All manuals and user guides at all-guides.com a. On the left side panel of the drive (toward the rear) locate the hole marked UNLOAD ( 1 in Figure 24). b. Insert a 2.5-mm L-Hex (allen) wrench (supplied with the replacement drive) approximately 43 mm (2 in.) into the UNLOAD hole.
  • Page 75 7208 Tape Drive Service Guide Manually Removing a Tape Cartridge All manuals and user guides at all-guides.com Figure 25. Moving the Supply Reel Motor. The drive is turned upside down. 8. Ensure that the tape is fully retracted into the cartridge.
  • Page 76 7208 Tape Drive Service Guide Manually Removing a Tape Cartridge All manuals and user guides at all-guides.com Figure 26. Unloading the Tape Cartridge 10. Replace the cover of the drive (reverse the removal procedure). 11. Replace the drive (refer to "Removing and Replacing the Drive" in topic 4.3).

  • Page 77: Chapter 5. Parts Diagram And Parts List

    All manuals and user guides at all-guides.com 5.0 Chapter 5. Parts Diagram and Parts List This topic provides the parts diagram and parts list required to service the 7208 Tape Drive Model 342. Subtopics 5.1 How To Use This Parts List ¦...

  • Page 78: Example Of Parts Listing

    7208 Tape Drive Service Guide How To Use This Parts List All manuals and user guides at all-guides.com 5.1 How To Use This Parts List (As Required) in the Units column indicates that the quantity is not the same for all machines.
  • Page 79 7208 Tape Drive Service Guide Example of Parts Listing All manuals and user guides at all-guides.com 5.1.1 Example of Parts Listing +------------------------------------------------------------+ ¦ Asm-¦ Part ¦ Units ¦ Description ¦ ¦ ¦ Number ¦ ¦ ¦ ¦ Inde¦ ¦ ¦...
  • Page 80 7208 Tape Drive Service Guide Assembly 1: Parts Diagram All manuals and user guides at all-guides.com 5.1.2 Assembly 1: Parts Diagram ¦ Copyright IBM Corp. 1998 5.1.2 - 1...
  • Page 81 7208 Tape Drive Service Guide Assembly 1: Parts Diagram All manuals and user guides at all-guides.com +------------------------------------------------------------------------+ ¦ Asm- ¦ Part ¦ ¦ ¦ ¦ Index ¦ Number ¦ Units ¦ Description ¦ +--------+---------+-------+---------------------------------------------¦ ¦ ¦ 87G1642 ¦ 1 ¦ Power supply ¦...

  • Page 82: Appendix A. Power Cables

    7208 Tape Drive Service Guide Appendix A. Power Cables All manuals and user guides at all-guides.com A.0 Appendix A. Power Cables +------------------------------------------------------------------------+ ¦ ¦ To avoid electrical shock, a power cable with a grounded ¦ ¦ ¦ attachment plug has been provided. Use only properly ¦...
  • Page 83 7208 Tape Drive Service Guide Appendix A. Power Cables All manuals and user guides at all-guides.com ¦ Chicago ¦ ¦ ¦ +--------------------+-----------------------------------------+---------¦ ¦ 13F9940 Australia ¦ Argentina, Australia, New Zealand ¦ ¦ +--------------------+-----------------------------------------+---------¦ ¦ 13F9979 France ¦ Abu Dhabi, Austria, Belgium, Bulgaria, ¦...
  • Page 84 7208 Tape Drive Service Guide Appendix A. Power Cables All manuals and user guides at all-guides.com Figure 28. Types of Receptacles ¦ Copyright IBM Corp. 1998 A.0 - 3...

  • Page 85: Appendix B. Fault Symptom Codes And Error Recovery Procedure Numbers

    Fault Symptom Codes and Error Recovery Procedure Numbers Use Figure 29 to resolve error messages that appear on the LCD of the 7208 Tape Drive Model 342: 1. Determine the fault symptom code (FSC) in the error message (the first two digits in the message). For example, in error message ERR 1: AD 58 C0, the FSC is AD.
  • Page 86 7208 Tape Drive Service Guide Appendix B. Fault Symptom Codes and Error Recovery Procedure Numbers All manuals and user guides at all-guides.com ¦ ¦ or VERIFY ¦ 2,8,6 ¦ ¦ ¦ ¦ ¦ ¦ O = 50% ¦ +-----------+------------------------------------+-----------+-----------¦ ¦...
  • Page 87 7208 Tape Drive Service Guide Appendix B. Fault Symptom Codes and Error Recovery Procedure Numbers All manuals and user guides at all-guides.com ¦ ¦ DIAGNOSTIC ¦ ¦ ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ Header in wrong format when ¦ ¦ T = 100% ¦...
  • Page 88 7208 Tape Drive Service Guide Appendix B. Fault Symptom Codes and Error Recovery Procedure Numbers All manuals and user guides at all-guides.com ¦ ¦ Servo zone readback check failure ¦ ¦ ¦ ¦ ¦ ¦ ¦ T = 70% ¦...
  • Page 89 7208 Tape Drive Service Guide Appendix B. Fault Symptom Codes and Error Recovery Procedure Numbers All manuals and user guides at all-guides.com +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ ¦ ¦ D = 50% ¦ ¦ ¦ Illegal Operation Code ¦ ¦ ¦ ¦...
  • Page 90 7208 Tape Drive Service Guide Appendix B. Fault Symptom Codes and Error Recovery Procedure Numbers All manuals and user guides at all-guides.com ¦ ¦ Drive needs cleaning ¦ ¦ ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ Invalid mode (2.3GB) for data ¦ ¦...

  • Page 91: Appendix C. Error Recovery Procedures

    Error Recovery Procedures Use Figure 30 to resolve error messages that appear on the LCD of the 7208 Tape Drive Model 342: 1. Determine the fault symptom code (FSC) in the error message (the first two digits in the message). For example, in error message ERR 1: AD 58 C0, the FSC is AD.

  • Page 92: Comments Appendix D. Readers' Comments -- We'd Like To Hear From You

    All manuals and user guides at all-guides.com COMMENTS Appendix D. Readers' Comments -- We'd Like to Hear from You 7208 20GB External 8mm Tape Drive Service Guide Model 342 Publication No. SA37-0381-00 Overall, how satisfied are you with the information in this book?

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