FE ZAJ, Руководство по обслуживанию

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ii
TN512955-E
PREFACE ..........................................................................................................................i
CONTENTS ......................................................................................................................ii
CAUTION ON SAFETY .................................................................................................iii
1. NAME OF EACH PART........................................................................................... 1
2. BEFORE MAINTENANCE ...................................................................................... 2
2-1. How to stop analyzer................................................................................................... 2
2-2. How to operate analyzer.............................................................................................. 2
2-3. How to pull out inner case........................................................................................... 2
3. ADJUSTMENT.......................................................................................................... 4
3-1. LCD contrast adjustment (Display 1: LCD at the top-front)....................................... 3
3-2. Output adjustment (4 to 20mA, 0 to 1V)..................................................................... 5
4. REPLACEMENT OF PARTS ................................................................................... 6
4-1. Replacement of restrictor ............................................................................................ 6
4-2. Replacement of switching power supply..................................................................... 6
4-3. Replacement of sensor................................................................................................. 7
4-4. Replacement of display ............................................................................................... 8
5. CHECK FOR SIGNALS............................................................................................ 9
5-1. Check of voltage across printed circuit board ............................................................. 9
5-2. Check of magnet driven pulse ..................................................................................... 9
5-3. Check and adjustment of synchronous rectification waveforms ................................. 9
6. Countermeasures against trouble ............................................................................. 11
6-1. Error code and countermeasures ............................................................................... 11
6-2. Troubleshooting......................................................................................................... 13
7. Maintenance parts .................................................................................................... 14
8. Others ....................................................................................................................... 15
Appendix ......................................................................................................................... 16
CONTENTS