Mettler Toledo MT Guide de l'utilisateur Page 90
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IND780 User’s Guide
WARNING!
ONLY PERMIT QUALIFIED PERSONNEL TO SERVICE THE TERMINAL.
EXERCISE CARE WHEN MAKING CHECKS, TESTS, AND ADJUSTMENTS
THAT MUST BE MADE WITH POWER ON. FAILING TO OBSERVE THESE
PRECAUTIONS CAN RESULT IN BODILY HARM AND/OR PROPERTY
DAMAGE.
Troubleshooting
Troubleshooting activities for the IND780 include:
• Board LED Interpretation • Internal diagnostic testing
• AC power test • MT Service View
• Power supply voltage test • External diagnostics
• Battery test • Watchdog monitoring
• RS-232 serial output voltage test • Master reset
Troubleshooting Overview
Each of the procedures listed in Table 3-1 is described in detail in the following
sections. If the result of any of these procedures indicates a problem, refer to this
table to isolate the possible cause/s and to identify the appropriate response.
Table 3-1: Troubleshooting
Diagnostic
Procedure
Expected Outcome Response/s to Incorrect Outcome
AC Power Test
Power source within
range -5% to +10% of
rated VAC (100-
240 VAC, depending on
terminal configuration)
If display operates incorrectly, or there are
intermittent problems with Terminal function:
• Check whether power source is within
correct range
• If power source is not OK, find a reliable
power source
• If problem persists, perform Power
Supply Voltage Test
Power Supply
Voltage Test
12 VDC: In range 11.7-
12.3 VDC
5 VDC: In range 4.9-
5.1 VDC
If voltages are absent or outside specified
ranges, replace the Power Supply
Battery Test Not less than 2.5 VDC
If voltage is below 2.5 VDC, replace battery
BRAM Test BRAM PASS
If BRAM FAIL displays, replace Main PCB
3-10
- Terminal 1
- OTE ON FIRMWARE REVISIONS 3
- CUSTOMER FEEDBACK 4
- BUSINESS REPLY MAIL 5
- CAUTION 7
- Contents 9
- Introduction 12
- Warnings and Precautions 14
- Operating Environment 14
- Temperature and Humidity 14
- Environmental Protection 14
- Hazardous Areas 14
- IND780 Terminal 15
- Installation manual 15
- Model Identification 16
- Physical Dimensions 17
- IND780 User’s Guide 18
- POWERCELL 21
- Scale Base 21
- Discrete I/O 22
- Serial Ports 22
- PLC Interfaces 22
- A-B RIO 22
- PROFIBUS DP 22
- Application Software 23
- TaskExpert™ 24
- Configuration Tool 24
- Operating Instructions 26
- Metrology Switch 27
- Display Operation 27
- Softkeys and Icons 28
- Navigation Keys 34
- Softkeys 35
- Application Keys 36
- Scale Function Keys 36
- Alpha Keys 38
- Numeric Keys 40
- Home Screen 41
- Operation 41
- Basic Functionality 42
- Select Scale 43
- Sum Scale 43
- Automatic Zero Maintenance 44
- Power-Up Zero 45
- Pushbutton Zero 45
- Pushbutton Tare 46
- Keyboard Tare 46
- Tare Table 47
- Net Sign Correction 48
- Auto Tare 48
- Clearing Tare 49
- Unit Switching 50
- IDNet Class II 51
- Expand By 10 51
- Print Interlock 52
- Automatic Print 52
- Repeat Print 52
- MinWeigh 53
- Display Contrast 53
- Information Recall 53
- Target Comparison 54
- Term Explanation 55
- Over/Under Applications 58
- Comparators 61
- Using Comparators 61
- ID Mode 62
- Sequence Steps Type 63
- SmartTrac™ 64
- Display Sizes 64
- Display Colors 66
- Bar Graph Mode 66
- Over/Under Mode 67
- Cross Hairs Mode 70
- Clustering 71
- Overview 71
- Time and Date 73
- Reports 73
- Calibration Test 74
- Alibi Memory Direct Access 78
- Table Search Field Options 78
- Counter 78
- Table Searches 80
- Service and Maintenance 81
- List of Tools Required 82
- Cleaning and Maintenance 82
- Firmware Upgrade Procedure 83
- Upgrade Using InSite™ 83
- Upgrade Using USB Memory 85
- Power Up Graphic 87
- Screen Saver Graphic 87
- Installing New Graphics 87
- Restore 88
- Service 89
- Troubleshooting 90
- Troubleshooting Overview 90
- Board LED Interpretation 92
- Option Boards 93
- AC Power Test 95
- Power Supply Voltage Test 95
- Battery Test 96
- Internal Diagnostic Testing 97
- Jumper Wire 103
- WARNING! 104
- MT Service View 105
- External Diagnostics 110
- Index Page 111
- Help File 112
- System Information 112
- Scale Statistics 113
- Resource Utilization 113
- Read Shared Data 114
- Scale Data 115
- Watchdog Monitoring 119
- Master Reset 119
- Main PCB 120
- Main PCB Removal 120
- Main PCB Installation 122
- ETX Board 122
- ETX Board Removal 122
- ETX Board Installation 123
- Figure 3-61: CF Card Removal 125
- Power Supply 126
- Power Supply Removal 126
- Power Supply Installation 127
- Option Board Installation 127
- Installation 128
- PLC Interface 128
- Connector 128
- Location 128
- METTLER TOLEDO 129
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