21.
21 -
8
MAINTENANCE AND INSPECTION
21.3.2 Battery replacement procedure
(1) CPU module battery replacement procedure
Replace the battery of a CPU module according to the following procedure when life
of the battery is over. Even when the battery is removed, memory is backed up by the
capacitor for a while. However, if replacement takes longer than the guaranteed value
shown in the following table, the content of the memory may be erased, so replace
the battery quickly.
WARNING
Correctly connect the battery connector.
Do not charge, disassemble, heat, short-circuit, solder, or throw the battery into the
fire.
Incorrect battery handling may cause personal injuries or a fire due to exothermic
heat, burst and/or ignition.
Summary of Contents for Q2ACPU
Page 1: ......
Page 2: ......
Page 221: ...12 12 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU ...
Page 222: ...12 13 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU ...
Page 237: ...12 28 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU MEMO ...
Page 271: ...16 13 16 POWER SUPPLY MODULE 4 Names and description of parts of the A66P ...
Page 343: ...21 21 13 MAINTENANCE AND INSPECTION 21 4 2 Replacement of the fuse for an output module ...
Page 357: ...22 12 22 TROUBLESHOOTING ...
Page 359: ...22 14 22 TROUBLESHOOTING MEMO ...
Page 429: ...App 32 APPENDICES Trigonometric function Classification Symbol Description ...
Page 537: ...App 140 APPENDICES REMARK 1 Message 1 An error code is displayed in 2 Alert 1 3 Alert 2 ...
Page 539: ...App 142 APPENDICES 2 Q2ACPU Q2ACPU S1 modules Unit mm inch ...
Page 541: ...App 144 APPENDICES 2 A66P power supply module Unit mm inch ...
Page 543: ...App 146 APPENDICES 3 A35B base unit 4 A38B A38HB A38HBEU base unit Unit mm inch Unit mm inch ...
Page 567: ...MEMO ...
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