Yokogawa EXAxt PH450 4-Wire Analyzer for pH and ORP - Manual (Page 7)

IM 12B07C05-01E
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8. TROUBLESHOOTING ...............................................................................................45
8-1. General ...............................................................................................................45
8-2. Calibration check .................................................................................................45
8-3. Predictive maintenance .......................................................................................45
8-4. Error displays and actions ...................................................................................45
9. QUALITY INSPECTION .............................................................................................46
10. SPARE PARTS ........................................................................................................50
APPENDICES ................................................................................................................51
Appendix 1, Buffer tables ............................................................................................51
Appendix 2, HART HHT (275/375) menu structure ....................................................52
Appendix 3, Temperature compensation matrix .........................................................56
Appendix 4, Control drawing for FM approval ............................................................57
Customer Maintenance Parts List (for Style: S2)........................CMPL 12B07C05-02E
Revision Record ..............................................................................................................i