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Troubleshooting
Related Manuals for Fujitsu MHG2102AT
Summary of Contents for Fujitsu MHG2102AT
- Page 1 C141-F034-01EN MHG2102AT, MHH2064AT, MHH2032AT DISK DRIVES MAINTENANCE MANUAL...
- Page 2 “Important Alert Items” in this manual. Keep this manual handy, and keep it carefully. FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering damage to their property. Use the product according to this manual.
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Page 3: Revision History
Revision History (1/1) Edition Date Revised section (*1) Details (Added/Deleted/Altered) 1999-02- — — *1 Section(s) with asterisk (*) refer to the previous edition when those were deleted. C141-F034-01EN... - Page 4 This page is intentionally left blank.
- Page 5 Preface This manual describes the MHG2102AT, MHH2064AT and MHH2032AT 2.5-inch hard disk drives with a built-in controller that is compatible with the ATA interface. This manual explains, in detail, how to maintain the disk drives. This manual assumes that users have a basic knowledge of hard disk drives and their application in computer systems.
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Page 6: Operating Environment
“Disk drive defects” refers to defects that involve adjustment, repair, or replacement. Fujitsu is not liable for any other disk drive defects, such as those caused by user misoperation or mishandling, inappropriate operating environments, defects in the power supply or cable, problems of the host system, or other causes outside the disk drive. -
Page 7: Important Alert Items
Important Alert Items Important Alert Messages The important alert messages in this manual are as follows: A hazardous situation could result in minor or moderate personal injury if the user does not perform the procedure correctly. Also, damage to the predate or other property, may occur if the user does not perform the procedure correctly. - Page 8 The DE is completely sealed. Do not open the DE in the field. When asking for repair, save all data stored in the disk drive beforehand. Fujitsu Limited is not responsible for any loss of data during service and repair. The disk enclosure must never to be opened in the field.
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Page 9: Manual Organization
Manual Organization MHG2102AT 1. Device Overview MHH2064AT, MHH2032AT 2. Device Configuration 3. Installation Conditions DISK DRIVES 4. Theory of Device Operation PRODUCT MANUAL 5. Interface (C141-E070) 6. Operations MHG2102AT 1. Maintenance and Diagnosis MHH2064AT, MHH2032AT 2. Removal and Replacement Procedure... - Page 10 This page is intentionally left blank.
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Page 11: Table Of Contents
Contents CHAPTER 1 Maintenance and Diagnosis............. 1-1 Maintenance 1.1.1 Rules for maintenance 1.1.2 Maintenance requirements 1.1.3 Maintenance levels 1.1.4 Disk drive revision number 1.1.5 Tools and test equipment 1.1.6 Self-diagnostics 1.1.7 Test Operation Confirmation 1.2.1 Operation test 1.2.2 Diagnostic test 1-10 Troubleshooting Procedure 1-10... - Page 12 Contents Illustrations Figures Figure 1.1 Disk drive revision number label Figure 1.2 Display of disk drive revision number Figure 1.3 Test flowchart Tables Table 1.1 Status register contents Table 1.2 Disposition for error register contents Table 1.3 System level and field troubleshooting 1-11 Table 2.1 Model and parts numbers...
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Page 13: Chapter 1 Maintenance And Diagnosis
CHAPTER 1 Maintenance and Diagnosis Maintenance Operation Confirmation Troubleshooting Procedure This chapter describes the maintenance, diagnosis, operation check, and troubleshooting of the disk drive. The following are explained: • Rules for regular maintenance and troubleshooting • Display of maintenance level (field and factory) •... -
Page 14: Maintenance
1.1 Maintenance Maintenance and Diagnosis 1.1 Maintenance 1.1.1 Rules for maintenance Obey the following rules to prevent injury during troubleshooting or maintenance. Don’t install or remove a PCA or connect or disconnect a cable or connector plug when the drive is powered. This may give you an electric shock. - Page 15 The PCA and the DE cannot be replaced separately in the field. Replace the whole disk drive. (4) Service system and repair Fujitsu Limited has a disk drive service system and repair facility. When making a request for repair or parts replacement, you should provide related information usually including:...
- Page 16 1.1 Maintenance Maintenance and Diagnosis When asking for repair, save all data stored in the disk drive beforehand. Fujitsu Limited is not responsible for any loss of data during service and repair. (5) Notes on handling General notes a) Vibrations and shocks more severe than allowed will cause fatal damage to the device so be very careful.
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Page 17: Maintenance Levels
1.1 Maintenance b) It is recommended that you use the shock absorption cushion material and packaging that contained the device when it was delivered by Fujitsu. If the same packaging material cannot be used, use a shock absorbent box that will transmit shocks directly to the device. -
Page 18: Disk Drive Revision Number
First 2-digit indicates a firmware code and rest 2-digit indicates its revision. Note: For a change of revision number after delivery, Fujitsu issues a “Change Request/Notice” and the disk drive revision number after the change. When a change is made at the user site, the revision number level should be changed as described above. -
Page 19: Tools And Test Equipment
Maintenance and Diagnosis 1.1 Maintenance Revision number mark when delivered A2 Revision Revision number change in the field A3 Revision Figure 1.2 Display of disk drive revision number 1.1.5 Tools and test equipment At the field maintenance level, only ordinary hand tools are required for troubleshooting and repairing the disk drive. -
Page 20: Figure 1.3 Test Flowchart
1.1 Maintenance Maintenance and Diagnosis Start Check the host system (Table 1.1) Operation test with the Analyze the system System normal? host computer or test related failure equipment Disk drive replacement or repair Test acceptable? Disk drive normal? Continue with the operation Diagnostic test with the host computer or... -
Page 21: Operation Confirmation
Maintenance and Diagnosis 1.2 Operation Confirmation Table 1.1 Status register contents Status bit Contents BIT0=1 Shown in Table 1.2 BIT1, 2 Normal. BIT3=1 (1) Check whether vibration is transmitted because of the way the disk drive is mounted. BIT4=1 (2) Check the power, cable, and connector. BIT5=1 (3) If it is concluded that the disk drive is the cause, replace the disk drive. -
Page 22: Diagnostic Test
1.3 Troubleshooting Procedure Maintenance and Diagnosis To troubleshoot the failure reported in the test at this level, accurately reproduce the condition that caused the failure. Then, by replacing the disk drive, try to separate the fault from the other sections of the disk drive host system. 1.2.2 Diagnostic test The diagnostic test is used to separate a confirmed disk drive failure to a disk drive subassembly or to check the disk drive performance. -
Page 23: Table 1.3 System Level And Field Troubleshooting
Switch setting Confirm that the switch on the disk drive control PCA is set for normal operation with the host computer. Refer to Section 3.4 of the MHG2102AT, MHH2064AT, MHH2032AT Disk Drives Product Manual for switch setting. System cable Confirm that all cable connections throughout the system correctly connected. -
Page 24: Troubleshooting At Factory
1.3 Troubleshooting Procedure Maintenance and Diagnosis 1.3.3 Troubleshooting at factory When the trouble is recovered by replacing the drive at field (Subsection 1.3.2), troubleshoot the replaced drive to isolate the trouble to the subassembly parts. To shorten the troubleshooting time and repairing time, gather the data, such as environmental data and other information, from the user and then return the failed drive to the factory with the media defect list to repair. -
Page 25: Chapter 2 Removal And Replacement Procedure
CHAPTER 2 Removal and Replacement Procedure Spare Parts Disk Drive Removal This chapter explains the procedure for removing and replacing the disk drive. It is assumed that the reader has a thorough knowledge of replacing the complete disk drive and replacing the power-interface cable. When carrying out these procedures, note the following items. -
Page 26: Spare Parts
See Table 2.1 for the model and parts numbers to order the replacement disk drive. Table 2.1 Model and parts numbers Model Part number Formatted Mounting screw capacity MHG2102AT CA05310-B060 10.0 GB MHH2064AT CA05311-B040 6.4 GB M3 (depth 3) MHH2032AT CA05311-B020 3.2 GB... -
Page 27: C141-F034-01En
Comment Form We would appreciate your comments and suggestions regarding this manual. Manual code C141-F034-01EN Manual name MHG2102AT, MHH2064AT, MHH2032AT DISK DRIVES MAINTENANCE MANUAL Please mark each item: E(Excellent), G(Good), F(Fair), P(Poor). General appearance Illustration Technical level Glossary Organization Acronyms & Abbreviations... - Page 28 MHG2102AT, MHH2064AT, MHH2032AT DISK DRIVES C141-F034-01EN MAINTENANCE MANUAL MHG2102AT, MHH2064AT, MHH2032AT DISK DRIVES C141-F034-01EN MAINTENANCE MANUAL...