Fujitsu MHV2040AH User's Manual
Contents
1. Revision 100 0GB LBA XXXXXXXXX n MAY BE MANUFACTURED UNDER ONE OF FOLLOVIWQ U 3 PATENT 3 85 5 151 638 5 173 841 5 338 208 5 404 253 5 53 5 012 040 81 583 5 696 225 5 191 813 79 8 301 207 8 448 115 amp 468 384 8 110 880 8 154 018 128 8816 VOID IF SEAL BROKEN AVOID EXCESSIVE SHOCK 400 NOT PUSH ON THE TOP COVER AND RATTLE NOISE 15 bis m 2120 89 Q 3 amp 1 sasl DO NOT COVER Figure 1 2 Display of disk drive revision number 1 7 Maintenance and Diagnosis 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 Special tools and test equipment is not required Factory level tools and test equipment are beyond the scope of this manual 1 1 6 Self diagnostics 1 1 7 Test 1 8 The disk drive has the following self diagnostics These self diagnostics allow normal basic operation of an isolated disk drive can be checked e Initial self diagnostics e SMART command SMART Execute Off Line Immediate command The disk drive test can be divided into the following three levels e Operating test See Subsection 1 2 1 Operating test e Diagnostic test See Subsection 1 2 2 Diagnostic test Figure 1 3 shows the relationship between the test level and troubleshooting Tables 1 1 and2. single alphanumeric character It is stuck on the DE and marked on the revision number label Figure 1 1 shows the disk drive revision number label format MANUFACTURED FUJITSU aG 00 LTD lt MADE IN THAILAND MODEL MHV2100AH ID XX XXXX PART NO CA06531 B040 SER NO XXXXXXXXXXXX DATE 200X XX XXXXXX XXXXX XX i 100 068 LBA XXXXXXXXX MAY BE MANUFACTURED UNDER ONE OF FOLLOVING 1 8 PATENT S 4 94 185 151 838 5 173 847 5 339 208 404 259 5 530 8 5 010 080 5 812 040 621 593 5 030 225 5 T31 018 5 8 5 813880 OTO 187 5 816 ITO 6 08 302 095 318 D 04D 8 084 6 122 117 124 89 3 425 168 811 m pEoH 8 301 207 B 448 115 6 400 394 0 110 960 8 194 018 61 VOID VARRANTY IF SEAL BROKEN eAVOID EXCESSIVE ct 400 NOT PUSH ON THE TOP COVER AND PCB RATTLE NOISE 18 M e fe Firmware code revision MN 33 27 29 Q I DO NOT COVER Figure 1 1 Disk drive revision number label 1 Revision number marking at delivery The machine revision number is indicated by crossing out up to the relevant number in the relevant alphabetic character row using marks see Figure 1 2 2 Revision number change in the field When a part is replaced in the field or other modifications are made the machine revision number may need to be changed The level is indicated by crossin
3. 1 2 show the check contents C141 F071 1 1 Maintenance Check the host system Table 1 1 Operation test with the host computer or test equipment Analyze the system System normal related failure Disk drive replacement or repair Test acceptable Disk drive normal 5 Continue with the operation Diagnostic test with the host computer or test equipment Test acceptable Yes Test using voltage or temperature stress Disk drive failure analysis Table 1 2 Test acceptable Yes No failure Figure 1 3 Test flowchart C141 F071 1 9 Maintenance and Diagnosis Table 1 1 Status register contents 1 Shown in Table 1 2 2 It is not necessary to take any measure when other bits are normal in spite of these bits Normal BIT4 1 the disk drive is mounted 5 1 BIT6 0 BIT7 1 Any of these 2 Check the power cable and connector cases 3 If it is concluded that the disk drive is the cause replace the BIT3 1 1 Check whether vibration is transmitted because of the way disk drive Table 1 2 Disposition for error register contents Method of disposition Any of these f it is concluded that the disk drive is the cause replace the bits are 1 drive 1 Check the status of the
4. about 30 s after the power is turned OFF 3 Perform the human body grounding to discharge any static electricity from your body Be sure to wear a wrist strap C141 F071 ABRT AIC AMNF ATA AWG BBK BIOS CORR CH CL CMOS CSR CSS CY FR GB Acronyms and Abbreviations A Aborted command Alternating current Automatic idle control Address mark not found AT attachment American Wire Gauge B Bad block detected Basic input output system C Corrected data Cylinder high register Cylinder low register Command register Complementary metal oxide semiconductor Current sense register Contact start stop Cylinder register D dB A scale weighting Direct current Disk enclosure Device head register Drive ready Data request bit Drive seek complete Drive write fault E Error checking and correction Error register Error F Features register G Giga byte C141 F071 HA HDD IDNF IRQ14 LED MB MB s MPU MTBF MTTR OEM PCA PIO P N TPI TRONF Typ H Host adapter Hard disk drive ID not found Interrupt request 14 L Light emitting diode Mega byte Mega byte per seconds Micro processor unit Mean time between failures Mean time to repair Original equipment manufacture P Printed circuit assembly Programmed input output Parts number R Run length limited s System area Sector count register Signal ground Sector number register Status
5. host cable and drive BIT2 Any of these bits are 1 2 If it is concluded that the disk drive is the cause BIT7 replace the drive 1 2 Operation Confirmation 1 2 1 Operation test When the host computer is processing data the disk drive monitors disk drive operation errors including data command and seek errors The host is notified of the error that the disk drive detected and the user is notified of its result The user may notice intermittent and indefinite failures such as overlong execution time abnormal noise abnormal odor or failures in particular processes The failure reported in the operation test will need further investigation To ascertain the cause of the disk drive failure reported the disk drive can be replaced Failures in the operation test are often not caused by the host system 1 10 C141 F071 1 3 Troubleshooting Procedure For example not having enough power supply reserve a loose cable connection no timing and mechanical reserves or relationship with other systems In normal operation the disk drive itself or the host determines the processing return or halt following the detected failure state 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 tes
6. register Serial number T Tracks per inches Track 0 not found Typical AB 1 Acronyms and Abbreviations U V UNC Uncorrectable ECC error VCM Voice coil motor AB 2 C141 F071 Index D Dampproof packaging 1 5 Delivery 1 5 revision number marking 1 6 Diagnostic test 1 11 Disk drive replaced troubleshooting 1 11 replacement 1 5 revision number 1 6 revision number label 1 6 Disposition for error register contents 1 10 E Exchangeable parts in field 1 3 F Factory maintenace 1 5 troubleshooting 1 13 Field exchangeable part 1 3 maintenance 1 5 revision number change 1 6 1 7 troubleshooting 1 12 Firmware code and revision 1 6 G General note 1 4 H Handling note 1 4 Initial self diagnostics 1 8 Installation 1 4 L Level maintenance 1 5 Maintenance 1 1 level 1 5 requirement 1 3 Maintenance and diagnosis 1 1 Model 2 2 C141 F071 N Note general 1 4 on handling 1 4 Offline self diagnostics 1 8 Operation configuration 1 10 test 1 10 P Packaging 1 4 dampproof 1 5 Part number 2 2 replacement 1 5 Preventive maintenance 1 3 R Removal and replacement procedure 2 1 Revision firmware code 1 6 Revision number change in field 1 6 1 7 mark when delivered 1 6 1 7 Rule for maintenance 1 2 s Self diagnostics 1 8 initial 1 8 offline 1 8 Service life 1 3 system and repair 1 3 Spare part 2 2 Status register contents 1 10 Storage 1 5 System level 1 12 an
7. C141 F071 01EN MHV2100AH MHV2080AH MHV2060AH MHV2040AH DISK DRIVE MAINTENANCE MANUAL cO FUJITSU FOR SAFE OPERATION Handling of This Manual This manual contains important information for using this product Read thoroughly before using the product Use this product only after thoroughly reading and understanding especially the section 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 IMPORTANT NOTE TO USERS READ THE ENTIRE MANUAL CAREFULLY BEFORE USING THIS PRODUCT INCORRECT USE OF THE PRODUCT MAY RESULT IN INJURY OR DAMAGE TO USERS BYSTANDERS OR PROPERTY While FUJITSU has sought to ensure the accuracy of all information in this manual FUJITSU assumes no liability to any party for any damage caused by any error or omission contained in this manual its updates or supplements whether such errors or omissions result from negligence accident or any other cause In addition FUJITSU assumes no liability with respect to the application or use of any product or system in accordance with the descriptions or instructions contained herein including any liability for incidental or consequential damages arising therefrom FUJITSU DISCLAIMS ALL WARRANTIES REGARDING THE INFORMATION CONTAINED HEREIN WHETHER EXPRESSED IMPLIED OR STAT
8. UTORY FUJITSU reserves the right to make changes to any products described herein without further notice and without obligation This product is designed and manufactured for use in standard applications such as office work personal devices and household appliances This product is not intended for special uses atomic controls aeronautic or space systems mass transport controls medical devices for life support or weapons firing controls where particularly high reliability requirements exist where the pertinent levels of safety are not guaranteed or where a failure or operational error could threaten a life or cause a physical injury hereafter referred to as mission critical use Customers considering the use of these products for mission critical applications must have safety assurance measures in place beforehand Moreover they are requested to consult our sales representative before embarking on such specialized use The contents of this manual may be revised without prior notice The contents of this manual shall not be disclosed in any way or reproduced in any media without the express written permission of Fujitsu Limited All Rights Reserved Copyright FUJITSU LIMITED 2004 Revision History Edition Date Revised section 1 Details Added Deleted Altered mn _ _ 1 1 Section s with asterisk refer to the previous edition when those were deleted C141 F071 This page is intenti
9. bleshooting and fault diagnosis 1 1 Maintenance and Diagnosis 11 Maintenance 1 1 1 Rules for maintenance The following cautions must be observed to prevent injury during troubleshooting or maintenance A CAUTION Static Damage 1 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 2 Keep away from mechanical assemblies in the unit during operation This may cause injuries 3 Avoid dangerous detergent when the disk drive is cleaned The following cautions must be observed to avoid damaging the disk drive during troubleshooting and maintenance A CAUTION Device damage 1 Before touching a PCA or the drive wear a wrist strap and perform the human body grounding to discharge static electricity from your body This will prevent irreparable damage to the PCA and the head of the drive 2 Don t install or remove a PCA or connect or disconnect a cable or connector plug when the drive is powered This will prevent electrical damage to the disk drive 3 Operating the disk drive with one or more PCA missing will be unpredictable Only power the drive with all boards installed 4 Avoid any detergent which may cause short circuits when cleaning assemblies 5 Keep all vents open opened and unblocked Avoid other conditions which may cause circuits to overheat 6 ribbon type cable has one line marked Ensure that this line i
10. d drive to the factory for testing and repair If the new drive shows the same fault as the one that was removed the failure is elsewhere in the system System level troubleshooting shown in Table 1 3 is performed at the user site to isolate the reported failure to the disk drive or system Maintenance and Diagnosis Table 1 3 System level and field troubleshooting Check to be made Recommended work DC power voltage Confirm that the DC power voltage is within 5 of the standard value level When measured at pins 41 42 and 43 of the power supply connector the 5 VDC must be 4 75 to 5 25 VDC DC power ripple Check that the maximum ripple at 5 VDC power is less than 100 mV noise peak to peak and 200 mV peak to peak respectively Power interface Confirm that the AT interface cable is properly connected at the disk cable connection drive power supply section and control unit Switch setting Confirm that the switch on the interface connector at the disk drive control PCA is set for normal operation with the host computer Refer to Section 3 4 of the 2100 MHV2080AH MHV2060AH MHV2040AH Disk Drives Product Manual for switch setting System cable Confirm that all cable connections throughout the system correctly connected System diagnostic To further isolate the failure if it can be done execute the system level test diagnostic routine described in the host computer manual Intermittent or Check the AC voltage leve
11. d field troubleshooting 1 12 T Test 1 8 equipment 1 8 flowchart 1 9 Tool 1 8 IN 1 Index Troubleshooting at factory 1 13 disk drive replaced in field 1 11 procedure 1 11 system level and field 1 12 U Unpacking 1 4 IN 2 C141 F071 READER S COMMENT FORM Your comments or suggestions on this document are cordially solicited For any comments and suggestions you may have please complete and submit this form to your FUJITSU representative The comments and suggestions will be used in planning future editions Thank you for your cooperation Date issued Manual name MHV2100AH MHV2080AH MHV2060AH MHV2040AH DISK DRIVE MAINTENANCE MANUAL Name Manual code C141 F071 01EN Company or organization Address Comments Line Comments Reply requested Yes No Please evaluate overall quality of this manual by marking V in the appropriate boxes Good Fair Poor Good Fair Poor Good Fair Poor Organization L L L Use of examples L Legibility L L L Index coverage Handiness Binding Clarity O O LI Cross referencing L Others Figures amp tables L L L General appearance L Technical level Too high Appropriate Overall rating of this publication Good L Fair L Poor Too low FOR FUJITSU USE Overseas office Person in charge Note Local representative shoul
12. d pass this form to the section in charge of distribution in FUJITSU Reply By This page is intentionally left blank MHV2100AH MHV2080AH MHV2060AH MHV2040AH DISK DRIVE MAINTENANCE MANUAL C141 F071 01EN MHV2100AH MHV2080AH MHV2060AH MHV2040AH DISK DRIVE MAINTENANCE MANUAL C141 F071 01EN This page is intentionally left blank cO FUJITSU
13. discharge any static electricity from your body Be sure to wear a wrist strap C141 F071 This page is intentionally left blank Manual Organization MHV2100AH MHV2080AH Device Overview MHV2060AH MHV2040AH Device Configuration Installation Conditions DISK DRIVE Theory of Device Operation PRODUCT MANUAL Interface C141 E217 Operations C141 F071 Vii This page is intentionally left blank CHAPTER1 CHAPTER 2 C141 F071 Contents Maintenance and 1 1 I3 Maintenance x epe Re t eee aereis 1 2 1 1 4 Rules for maintenance seesseeseeeeeeeerenen nennen neret rennen 1 2 1 1 2 Maintenance requirements sees 1 3 1 1 3 Maintenance levels eene dete ette res 1 5 1 1 4 Disk drive revision number eere 1 6 1 1 5 Tools and test equipment iu 1 8 1 1 6 diagnoses suite nte Led ett eus 1 8 na ES tug 1 8 12 Operation Confirmation eese emen 1 10 1 2 1 Operation test eet eee ee nee eret o er eee eee pede ia 1 10 12 2 Diagnostie test saa a u Phe eere ee ORE IR 1 11 13 Troubleshooting Procedure eene 1 11 1 3 4 Troubleshooting procedure eere 1 11 1 3 2 Troubleshooting disk drive replaced in field 1 11 1 3 3 Troublesho
14. erature humidity and voltage Fault history of the drive Details of the fault Description of the fault Issued command and specified parameters Status Status Error register Interval of the fault Other information for fault diagnosis 1 3 Maintenance and Diagnosis A CAUTION Data corruption 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 a General notes a b b Unpacking a b d e Installation a b d Packaging a 1 4 Vibrations and shocks more severe than allowed will cause fatal damage to the device so be very careful Be especially careful when unpacking the device Do not leave the device in a dusty environment Because the device uses GMR giant MR head and static sensitive CMOS semiconductors take the following precautions be careful of the handling on the following points after the device is unpacked Use an antistatic mat etc in the environment for handling the equipment The worker should also be physically grounded e g wearing a wrist strap Hold by the DE section do not directly touch the PCA unit unnecessarily Use a flat workplace find which side of the pack is up and be careful not to have the wrong side facing upwards Do not place the device directly on a hard table place it on somethi
15. g out the relevant number in the relevant alphabetic character row using marks see Figure 1 2 3 Firmware code and revision First 4 digit indicates a firmware code and rest 4 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 1 6 C141 F071 C141 F071 1 1 Maintenance Revision number mark when delivered rufi MANUFACTURED FUJITSU THAILAND CO LTD OCENG MADE I N Fujitsu Talven Ltd THAILAND get MEN MODEL MHV2100AH ID XX XXX PART NO CA06531 B040 SER NO XXXXXXXXXXXX 200X XX REV NO A 156189 lt A Revision XXXXXX XXXXXXXX 100 0GB LBA XXXXXXXXX MAY BE MANUFACTURED UNDER ONE OF FOLLOVING U S PATENT 173 404 VOID WARRANTY IF SEAL BROKEN AVOID EXCESSIVE SHOCK 400 NOT PUSH ON THE TOP COVER AND PCB RATTLE NOISE IS ed Mn x lt CABLE E DO NOT COVER Revision number change in the field MANUFACTURED FUJITSU THAILAND CO LTD Ces MADE IN sing Teles ie THATLAND Pe MODEL MHV2100AH ID XX XXXX PART NO CA06531 B040 SER NO XXXXXXXXXXXX DATE 200X XX RATING 5V 0 60A REV NOA 20456789 XXXXXX
16. his maintenance level is beyond the scope of this manual A CAUTION Device damage The disk enclosure DE must never to be opened in the field Opening the disk enclosure may cause irreparable damage This page is intentionally left blank CHAPTER 2 Removal and Replacement Procedure 2 1 Spare Parts 2 2 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 e Be sure to wear a wrist strap when removing the disk drive from the host system e The disk drive must have been removed from the host system e power interface cable to the disk drive must be disconnected e Mounting is done by reversing the steps for removal To carry out maintenance properly observe the following e Place removed screws and other parts where they will not get lost or damaged e Keep a record of all maintenance work e Tighten screws securely but not excessively e Before touching the PCA wear a wrist strap and check it is grounded to discharge any static electricity from your body This ensures that the worker will not electrically damage the PCA Do not push the DE cover under any circumstances C141 F071 2 1 Removal and Replacement Procedure 2 1 Spare Parts See Tab
17. l at the power supply section and recheck the indefinite error DC voltage level at the disk drive power supply connector If the AC voltage level is abnormal or if there is a lot of electrical noise notify the user If the DC voltage level is unstable replace the power supply section If possible replace the disk drive If the fault remains the disk drive is not the case For suggestions to isolate the failure further refer to the hardware and software manuals provided with the system 1 12 C141 F071 1 3 Troubleshooting Procedure 1 3 3 Troubleshooting at factory C141 F071 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 to repair At the factory user environment is made and a reappearance test is performed To reappearance a same trouble at user the failed drive is connected to the host system If no trouble occurs by the normal test the reappearance test is performed by adding the voltage temperature load using a disk drive tester or tools according to the user environment When a trouble reappeared troubleshoot the cause of failure Then replace the failed unit or parts As this level maintenance is made by a factory t
18. ld result in AC AUTI ON minor or moderate personal injury if the user does not perform the procedure correctly This alert signal also indicates that damages to the product or other property may occur if the user does not perform the procedure correctly This indicates information that could help the user use the product more efficiently IMPORTANT Preface In the text the alert signal is centered followed below by the indented message A wider line space precedes and follows the alert message to show where the alert message begins and ends The following is an example Example ACAUTION 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 The main alert messages in the text are also listed in the Important Alert Items Operating Environment Attention This product is designed to be used in offices or computer rooms For details regarding the operating environment of use refer to the Product Manual C141 E217 Please forward any comments you may have regarding this manual To make this manual easier for users to understand opinions from readers are needed Please write your opinions or requests on the Comment at the back of this manual and forward it to the address described in the sheet Liability Exception ii Disk drive defects refers to defects that involve adjustment repair or replacement F
19. le 2 1 for the model and parts numbers to order the replacement disk drive Table 2 1 Model and parts numbers Model Name Mounting screw Order No user area MHV2100AH 100GB M3 Depth 3 CA06531 B040 B 140 MHV2080AH 80GB M3 Depth 3 06531 048 148 MHV2060AH 60GB M3 Depth 3 CA06531 B036 B 136 MHV2040AH 40GB M3 Depth 3 CA06531 B024 B 124 2 2 Disk Drive Removal 2 2 The method and procedures to demount the disk drive to check the jumper terminal change the jumper position or replace the device differ depend on the system cabinet structure Therefore for actual working procedures the specific conditions necessary for each system must be determined The general removal procedures with notes are as follows a Disconnect the power interface cable b Remove the screws that attach the drive and remove the drive from the system cabinet c When storing or transporting the drive pack it an antistatic bag in compliance with section 1 1 2 5 d and 5 e To protect the device from damage and prevent the worker getting hurt observe the following cautions and precautions in Subsection 1 1 1 A CAUTION Damage or Device damage 1 Perform any removal after the system power is completely disconnected The cable must not be disconnected and the screws that attach the drive must not be removed with the power ON 2 Do not move the drive and attach or detach the connector until it comes to a complete stop
20. ng soft such as a rubber mat Be careful not to apply any excessive force to the packed device when removing the shock absorbing material When taking the device out of the antistatic bag be especially careful not to apply any excessive force to the PCA or to the interface connector section Never ever remove the DE seal label and screws and the DE cover When the power is ON do not change the switch setting or connecting or disconnecting connectors Do not move the device or disconnect connectors with the power ON or until the disk drive unit comes to a complete stop after the power is turned OFF It is required to wait more than 30 seconds Place the device in an antistatic vinyl bag along with a desiccant silica gel C141 F071 1 1 Maintenance b Itis 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 When using this type of box adequately protect the PCA surface and interface connector section c Place a label showing which side is up and clearly stating the notes on handling on the outside of the packaging e Delivery a Asarule deliver as it is packaged and keep the up side up b Ifdelivering a single drive after it is unpacked take it only a short distance Also use shock absorbent material to protect i
21. onally left blank Preface This manual describes the MHV2100AH MHV2080AH MHV2060AH MHV2040AH 2 5 inch hard disk drive 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 This manual consists of the following two chapters Overview of Manual CHAPTER 1 Maintenance and Diagnosis This chapter explains MHV2100AH MHV2080AH MHV2060AH MHV2040AH maintenance requirements operation verification and troubleshooting CHAPTER 2 Removal and Replacement Procedure This chapter explains the procedure for removing and replacing MHV2100AH MHV2080AH MHV2060AH MHV2040AH Acronyms and Abbreviations This section lists the abbreviated terms and their full words used in this manual Index In this manual disk drives may be referred to as drives or devices IBM PC AT is a registered trademark of IBM International Business Machines Corporation of the United States of America Conventions for Alert Messages C141 F071 This manual uses the following conventions to show the alert messages An alert message consists of an alert signal and alert statements The alert signal consists of an alert symbol and a signal word or just a signal word The following are the alert signals and their meanings This indicates a hazardous situation cou
22. oting at factory asas 1 13 Removal and Replacement Procedure 2 1 2 1 Spare Parts i coven a ee RB epe teh eite Race ees 2 2 22 Disk Drive Removal ae ed RE 2 2 ix Contents lllustrations Figures Figure 1 1 Disk drive revision number label 1 6 Figure 1 2 Display of disk drive revision number 1 7 Figure 1 3 Test flowchart aime edet e edi esee 1 9 Tables Table 1 1 Status register contents a 1 10 Table 1 2 Disposition for error register contents 1 10 Table 1 3 System level and field troubleshooting 1 12 Table 2 1 Model and parts numbers eee 2 2 X C141 F071 CHAPTER 1 Maintenance and Diagnosis 1 1 Maintenance 1 2 Operation Confirmation 1 3 Troubleshooting Procedure C141 F071 This chapter describes the maintenance diagnosis operation check and troubleshooting of the disk drive The following are explained e Rules for regular maintenance and troubleshooting e Display of maintenance level field and factory e Display of machine revision number and number change in the field e Tools and test devices needed for each maintenance level e Standard testing for each maintenance level e Recommended procedure for trou
23. s always connected to pin 1 of the cable connector 7 Do not apply excessive force to the cover under any circumstances Doing so may cause irreparable damage to the cover 1 2 C141 F071 1 1 Maintenance 1 1 2 Maintenance requirements 1 Preventive maintenance 2 Service life The disk drive needs no preventive maintenance not even the air filter needs to be changed A CAUTION Device damage The DE is completely sealed Do not open the DE in the field In situations where management and handling are correct the life of the disk drive is five years when the DE surface temperature is less than 48 C When the DE surface temperature exceeds 48 C the life is five years or 20 000 hours of operation whichever occurs first Refer to Section 1 7 and 3 2 in Product Manual 3 Exchangeable parts in field The PCA and the DE cannot be replaced separately in the field Replace the whole disk drive 4 Service system and repair C141 F071 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 a b o d Model name of disk drive part number P N disk drive revision number manufacture serial number S N and date of manufacture of the disk drive Circumstances when the fault occurred Date of trouble occurred System configuration Environmental conditions including temp
24. t against shock and vibration Deliver an unpacked device in either of the allowable packed positions Refer to Section 3 2 of the MHV2100AH MHV2080AH MHV2060AH MHV2040AH Disk Drives Product Manual f Storage a Store in dampproof packaging b Take care that the environmental requirements satisfy the non operating environmental specifications described in Section 1 4 of the MHV2100AH MHV2080AH MHV2060AH MHV2040AH Disk Drives Product Manual c To prevent condensation do not subject the device to sudden changes of temperature 1 1 3 Maintenance levels Because of its compact size and special repair requirements it is recommended that the whole disk drive be replaced This section describes maintenance on two levels 1 Field maintenance disk drive replacement e Replacement at the user site e Disk drive replacement requires ordinary tools e Usually the user retailer seller or OEM trader will replace the drive 2 Factory maintenance parts replacement e Only Fujitsu can perform maintenance at this level e This includes maintenance training and assisting other OEM traders The OEM trader usually assists the retailer and seller e Use the factory level tools and test equipment This includes recommended spare parts and repairing or replacing various parts C141 F071 1 5 Maintenance and Diagnosis 1 1 4 Disk drive revision number The disk drive revision number is a single alphabetic character followed by a
25. t is used to separate a confirmed disk drive failure to a disk drive subassembly or to check the disk drive performance A test of this level usually includes a specific disk drive function or concentrated execution of a group of functions The test is usually performed by a factory engineer and not where the failure was reported The disk drive is tested using another host computer or test equipment To troubleshoot the disk drive failure in the diagnostic test the engineer will reproduce the failure condition The engineer then isolates the failure to a subassembly or part of the disk drive The procedures used in a test of this level great depend on the test equipment used It is beyond the range of this manual 1 3 Troubleshooting Procedure 1 3 1 Troubleshooting procedure This section describes the troubleshooting procedures for a disk drive failure at field maintenance level described in Subsection 1 1 3 In this section troubleshooting is made to isolate the reported failure to the disk drive or a host system Usually troubleshooting is necessary only when a cause of failure is uncertain or unknown When a cause of failure is clear for example abnormal sound in the DE or burnt parts on the PCA a level of troubleshooting is low 1 3 2 Troubleshooting disk drive replaced in field C141 F071 It is recommended that the whole drive be replaced in maintenance of this level If replacing the drive corrects the fault return the ol
26. the drive is powered This will prevent electrical damage to the disk drive Operating the disk drive with one or more PCA missing will be unpredictable Only power the drive with all boards installed Avoid any detergent which may cause short circuits when cleaning assemblies Keep all vents open opened and unblocked Avoid other conditions which may cause circuits to overheat A ribbon type cable has one line marked Ensure that this line is always connected to pin 1 of the cable connector Do not apply excessive force to the cover under any circumstances Doing so may cause irreparable damage to the cover Device damage The DE is completely sealed Do not open the DE in the field Data corruption 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 Device damage The disk enclosure DE must never to be opened in the field Opening the disk enclosure may cause irreparable damage iv C141 F071 Important Alert Items Maintenance Damage or Device damage 1 Perform any removal after the system power is completely disconnected The cable must not be disconnected and the screws that attach the drive must not be removed with the power ON Do not move the drive and attach or detach the connector until it comes to a complete stop about 30 8 after the power is turned OFF Perform the human body grounding to
27. ujitsu 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 C141 F071 Important Alert Items Important Alert Messages The important alert messages in this manual are as follows This manual uses the key alert messages given below The following manual also contains notes on safety precautions A hazardous situation could result in minor or moderate personal ACAUTION 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 Maintenance Static Damage 1 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 Keep away from mechanical assemblies in the unit during operation This may cause injuries Avoid dangerous detergent when the disk drive is cleaned C141 F071 iii Important Alert Items Maintenance Device damage 1 Before touching a PCA or the drive wear a wrist strap and perform the human body grounding to discharge static electricity from your body This will prevent irreparable damage to the PCA and the head of the drive Don t install or remove a PCA or connect or disconnect a cable or connector plug when
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