Yokogawa Integral Oxygen Analyzer ZR202 Manuel d'utilisateur Page 155
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IM 11M13A01-04E
12-1
12. Troubleshooting
12. Troubleshooting
This chapter describes errors and alarms detected by the self-diagnostic function of the
converter. This chapter also describes the check and restoration methods to use when
problems other than the above occur.
12.1 Displays and Measures to Take When Errors Occur
12.1.1 What is an Error?
An error is detected if any abnormality is generated in the detector or the converter,
e.g., in the cell (sensor) or heater in the detector, or the internal circuits in the converter.
If an error occurs, the converter performs the following:
(1) Stops the supply of power to the heater in the detector to insure system safety.
(2) Causes an error indication in the display to start blinking to notify of an error
generation (Figure 12.1).
(3) Sends an output contact if the error is set up for “Output contact setup” for that
contact (refer to Section 8.4, “Output Contact Setup”).
(4) Changes the analog output status to the one set in “Output hold setting” (refer to
Section 8.2, “Output Hold Setting”).
When the display shown in Figure 12.1 appears, pressing the error indication brings
up a description of the error (Table 12.1). The content of errors that are displayed
include those shown in Table 12.1.
Displayed alternately
Err-01
---------
F12.1E.EPS
m
m
Figure 12.1
Table 12.1 Types of Errors and Reasons for Occurrence
Error Type of error Reason for Occurrence
Error-1 Cell voltage failure The cell (sensor) voltage signal input
to the converter falls below -50 mV.
Error-2 Heater temperature The heater temperature does not rise during
failure warm-up, or it falls below 730 8C or exceeds
780 8C after warm-up is completed.
Error-3 A/D converter failure The A/D converter fails in the internal
electrical circuit in the converter.
Error-4 Memory failure Data properly are not written into memory in the
internal electrical circuit in the converter.
T12.1E.EPS
- User's 1
- Introduction 2
- r ATEX Documentation 4
- (1) About This Manual 6
- Oxygen Analyzer 9
- IM 11M13A01-04E 10
- Contents 11
- 1. Overview 15
- 1.1.1 System 1 16
- 1.1.2 System 2 17
- 1.2.1 System Components 18
- 2. Specifications 19
- 2.1 General Specifications 20
- No.KEMA 04ATEX 21
- EEx d IIB+H 21
- ENCLOSURE: IP66 21
- The country of origin 22
- 2. Specifications 23
- Model and Suffix code 26
- • External Dimensions 27
- • Standard Accessories 28
- • Hood (Option code /H) 29
- 2.1.3 ZO21R-L Probe Protector 30
- 2.2 ZA8F Flow Setting Unit 31
- 2.3 ZO21S Standard Gas Unit 33
- Unit: mm 34
- 2.4 Other Equipment 35
- T2.13E.EPS 37
- 3. Installation 41
- Hazardous Area Division 1 43
- 3. Installation 45
- 3.1.6 Probe Insertion Hole 46
- F3.12E.EPS 48
- F3.14E.EPS 49
- 4. Piping 51
- 4.1 Piping for System 1 52
- 4. Piping 53
- 4.2 Piping for System 2 54
- Piping Diagram 56
- 5. Wiring 57
- 5.1.2 Wiring 58
- 5.2 Wiring for Analog Output 59
- 5.3.1 Wiring for Power Line 60
- 5.4 Wiring for Contact Output 61
- 5.5 Contact Input Wiring 62
- 6.1 ZR202S Oxygen Analyzer 63
- Horizontal 64
- Vertical 64
- 7. Startup 65
- 7.2 Valve Setup 66
- 7.4.1 Display and Switches 67
- 7.4.2 Display Configuration 69
- Table7.4 Parameter Code 71
- 7.4.5 Changing Set Values 72
- 7.7 Output Range Setting 76
- 7. Startup 77
- Switch operation 78
- Display Description 78
- 7.9 Checking Contact I/O 79
- 7.9.1 Contact Output Check 80
- 7.9.3 Checking Input Contacts 82
- 7.10 Calibration 83
- 7.10.2 Manual Calibration 85
- 8. Detailed Data Setting 89
- T8.1E.EPS 89
- 8.2 Current Output Setting 90
- 8.2.4 Default Values 91
- 8.3 Output Hold Setting 92
- 8.3.3 Output Hold Setting 94
- 8.3.4 Default Values 94
- 8.4.1 Alarm Values 95
- 8.4.2 Alarm Output Actions 95
- 8.4.3 Alarm Setting 96
- 8.4.4 Default Values 97
- 8.5 Output Contact Setup 98
- Set item Parameter Set value 99
- Output contact 1 99
- T8.10E.EPS 99
- 8.5.3 Default Values 100
- 8.6 Input Contact Settings 101
- Omitted here 102
- 8. Detailed Data Setting 103
- 8.7.3 Setting Fuels 104
- For solid fuel 105
- For liquid fuel 105
- For gaseous fuel 105
- Absolute 106
- Dry-bulb temperature, 8C 106
- Table 8.16 Fuel Data 107
- T8.17E.EPS 108
- 9. Calibration 109
- 9.1.2 Calibration Gas 110
- 9.1.3 Compensation 111
- 9.2 Calibration Procedures 113
- 9. Calibration 115
- 9.2.1.7Default Values 116
- 9.2.2 Calibration 117
- 10. Other Functions 119
- 10.1.1 Air Ratio 121
- 10.1.2 Cell Temperature 121
- 10.1.3 C. J. Temperature 121
- T10.2E.EPS 122
- 10.1.9 Response Time 123
- 10.1.11 Robustness of a Cell 123
- F10.3E.EPS 125
- 10.3 Initialization Procedure 127
- 10.4 Reset 128
- Table: Resetting 129
- Table 10.6 Parameter Codes 130
- T10.6E.EPS 134
- F10.14E.EPS 137
- 10.5.3 Calibration Gas Flow 138
- Calibration gas tube 144
- Exploded view of components 144
- (with outside diameter 144
- Groove in which the contact 146
- (E7042BS) is placed 146
- View A-A 148
- 11.1.5 Replacement of O-ring 150
- 11.2.1 Replacing Fuses 151
- Vertical mounting 153
- Horizontal mounting 153
- Fixing screw pairs 153
- 155
- F12.2E.EPS 156
- F12.3E.EPS 157
- 12.2.1 What is an Alarm? 158
- Oxygen concentration (% O 159
- ) Cell voltage (mV) 159
- 1% 67.1 159
- 12. Troubleshooting 161
- Customer 165
- Maintenance 165
- Parts List 165
- CMPL 11M13A01-04E 167
- Revision Record 169
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