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82
Reference Manual
00809-0200-4728, Rev RA
Section 6: Troubleshooting
April 2015
Troubleshooting
6.4.3 Other LCD display messages
Calibration Error
[none] [none]
The value entered for the
user trim point was not
acceptable.
1. Re-trim the device, make sure the user
entered calibration points are close to
the applied calibration temperature.
Sensor Out of
Operating
Limits
(1)
SAT
SNSR 1
XX.XXX
°C
SAT
SNSR 1
XX.XXX
°C
Sensor # readings are
outside the sensor's
specified range.
1. Verify the process temperature is
within the specified sensor's range.
Use the Sensor Information button to
compare with the process
temperature.
2. Verify the sensor is properly wired and
connected to the terminals.
3. Verify the integrity of the sensor and
sensor lead wires. If the sensor is
faulty, repair or replace the sensor.
Terminal
Temperature
Out of
Operating Limits
SAT
TERM
DEGRA
WARN
SAT
TERM
DEGRA
WARN
The Terminal Temperature
is outside the on-board RTD
specified operating range
1. Verify the ambient temperature is
within the device specified operating
range using the Terminal Temperature
Information Button.
(1) Sensor 1 is used here as an example. If Dual Sensors are ordered this alert can apply to either sensor.
Alert name LCD screen LOI screen Problem Recommended action
LCD is not
displaying
correctly or at all
644
HART 7
644
HART 7
The display may not be
functioning or it may be
stuck on Home screen
If the meter does not appear to
function, make sure the transmitter is
configured for the meter option you
desire. The meter will not function if the
LCD Display option is set to Not Used.
Analog Output
Fixed
WARN
LOOP
WARN
FIXED
WARN
LOOP
WARN
FIXED
The analog output is set to a
fixed value and is not
currently tracking the HART
Primary Variable.
1. Verify that it was intended for the
transmitter to be operating in “Fixed
Current Mode.”
2. Disable “Fixed Current Mode” in
Service Tools to have the analog
output operate normally.
Simulation Active
[none] [none]
The device is in simulation
mode and may not be
reporting actual
information.
1. Verify simulation is no longer
required.
2. Disable simulation mode in service
tools.
3. Perform a device reset.
Alert name LCD screen LOI screen Problem Recommended action
- Protocol 1
- Rosemount 644 3
- Temperature Transmitter 3
- Title Page 4
- Contents 5
- 6Section 6: Troubleshooting 8
- Reference Manual 10
- Table of Contents 10
- Section 1 Introduction 11
- 1.2 Overview 12
- 1.2.2 Transmitter overview 13
- 1.3 Considerations 14
- 1.4 Return of materials 15
- 1.5 Transmitter security 16
- Section 2 Configuration 17
- 2.3 System readiness 18
- 2.4 Configuration methods 19
- Configuring with an LOI 21
- 2.4.4 Failure mode 22
- 2.5 Verify configuration 23
- 2, 2, 8, 6 26
- 2.6.3 Setting output units 28
- Setting output units with LOI 29
- Communicator 30
- 2, 2, 3, 3 31
- Resetting Hot Backup 33
- 2.8 Configure device outputs 35
- 2.8.2 Damping 36
- 2, 2, 1, 5 2, 2, 1, 6 38
- Configuring tag with LOI 43
- 2.10.1 50/60 Hz filter 44
- 2.10.2 Resetting the device 44
- 2.11 Diagnostics and service 46
- 2, 2, 4, 3, 4 48
- AMS terms 49
- Configure min/max with LOI 50
- Special considerations 53
- Hot Backup 53
- 3.1 Overview 55
- 3.2 Safety messages 55
- 3.3 Considerations 56
- 3.4 Installation procedures 57
- 3.4.1 Set the alarm switch 58
- 3.4.2 Mount the transmitter 59
- 3.4.3 Install the device 60
- 4.1 Overview 67
- 4.2 Safety messages 67
- 4.3.1 Sensor connections 69
- 4.3.2 Power the transmitter 70
- 4.3.3 Ground the transmitter 71
- Shielding recommendations 72
- Option 2 73
- Option 3 73
- Grounded thermocouple inputs 74
- (HART/4–20 75
- Electrical Installation 76
- Figure 4-4. Load Limits 76
- 5.1 Overview 77
- 5.2 Safety messages 77
- 5.3 Calibration overview 78
- 5.4 Sensor input trim 79
- 3, 4, 4, 1 80
- 3, 4, 4, 2 81
- 5.5 Trim the analog output 82
- 3, 4, 5, 1 83
- 3, 4, 5, 2 83
- 5.7 Switching HART Revision 86
- Section 6 Troubleshooting 87
- 6.4 Diagnostic messages 90
- (SIS) Certification 93
- 7.4 Commissioning 94
- 7.5 Configuration 95
- 7.7.1 Proof test 96
- 7.7.2 Partial proof test 96
- 7.8 Specifications 98
- 7.8.3 Product life 99
- A.1 Specifications 101
- A.1.2 Physical 102
- OUNDATION 103
- A.1.3 Performance 104
- Sensor connections 105
- Communication requirements 106
- Power supply 107
- Temperature limits 107
- Turn-on time 108
- External transient protection 108
- Accuracy 108
- Accuracy example 110
- OUNDATION fieldbus 111
- 644H (DIN A Head Mount) 113
- 644 Field Mount 114
- 644 Rail Mount 114
- Sanitary Applications 117
- A.4 Ordering information 118
- 00809-0200-4728, Rev RA 123
- April 2015 123
- 2 NPT 00644-4438-0002 126
- 2 NPT 00644-4438-0102 126
- 2 NPT 00644-4438-0004 126
- 2 NPT 00644-4438-0104 126
- A.4.1 Configuration 127
- A.4.2 Tagging 127
- A.4.3 Considerations 127
- Custom configuration 128
- Head Mount 129
- A.5.2 Physical specifications 130
- Enclosure ratings (644H) 131
- Sanitary housing surface 131
- Load limitations 133
- Configuration 135
- ≤ Ta ≤ +85°C); Type 4X; 137
- 2-14 NPT) enclosure 137
- International 140
- Gas -40 °C ≤ Ta ≤ +65 °C 142
- Dust -40 °C ≤ Ta ≤ +85 °C 142
- T5 -40 °C ≤ Ta ≤ +70 °C 145
- T6 -60 °C ≤ Ta ≤ +40 °C 145
- T5 -60 °C ≤ Ta ≤ +85 °C 145
- Combinations 146
- Additional Certifications 147
- Product Certifications 149
- Sheet 2 of 2 158
- Trees and Fast Keys 165
- D.1 Number entry 173
- D.2 Text entry 174
- 175
- Canceling 176
- D.5 LOI menu tree 177
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