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2 Troubleshooting Procedures
TECRA M1 Maintenance Manual (960-436) 2-iii
Chapter 2 Contents
2.1 Troubleshooting........................................................................................................... 2-1
2.2 Troubleshooting Flowchart........................................................................................... 2-2
2.3 Power Supply Troubleshooting..................................................................................... 2-6
Procedure 1 Icons in the LCD Check................................................................ 2-6
Procedure 2 Error Code Check........................................................................ 2-7
Procedure 3 Connection Check.......................................................................2-13
Procedure 4 Charge Check.............................................................................2-14
Procedure 5 Replacement Check ....................................................................2-15
2.4 System Board Troubleshooting...................................................................................2-16
Procedure 1 Message Check ..........................................................................2-17
Procedure 2 Printer Port LED Check on Boot Mode.......................................2-19
Procedure 3 Diagnostic Test Program Execution Check...................................2-28
Procedure 4 Replacement Check ....................................................................2-29
2.5 FDD Troubleshooting ................................................................................................2-30
Procedure 1 FDD Head Cleaning Check.........................................................2-30
Procedure 2 Diagnostic Test Program Execution Check...................................2-31
Procedure 3 Connector Check and Replacement Check..................................2-32
2.6 HDD Troubleshooting................................................................................................2-33
Procedure 1 Message Check ..........................................................................2-33
Procedure 2 Partition Check ...........................................................................2-34
Procedure 3 Format Check.............................................................................2-35
Procedure 4 Diagnostic Test Program Execution Check...................................2-36
Procedure 5 Connector Check and Replacement Check..................................2-37
2.7 Keyboard and Touch pad Troubleshooting.................................................................2-38
Procedure 1 Diagnostic Test Program Execution Check...................................2-38
Procedure 2 Connector and Replacement Check.............................................2-39
2.8 Display Troubleshooting.............................................................................................2-41
Procedure 1 Diagnostic Test Program Execution Check...................................2-41