Publication 900-UM007D-EN-E - January 2011
6-4
Troubleshooting & Error Indication
Memory Error
Meaning
The controller’s internal memory operation is in error.
Action
First, turn the controller power OFF then back ON again. If the display
remains the same, the Controller must be repaired. If the display is restored,
then the probable cause is electrical noise affecting the control system. Check
for electrical noise. (Refer to
Actions
under the
Input Error
section on page 6-1.)
Operation at Error
Control Output and Alarm Output turn OFF. (Current output is approx.
0 mA).
Current Value Exceeds
Meaning
This error is displayed when the Heater Current value (current from CT)
exceeds 55.0 A.
Action
Control continues, allowing normal operation. The error message is displayed
when the following items are displayed:
•
Heater Current 1 value monitor
•
Heater Current 2 value monitor
•
Leakage Current 1 monitor
•
Leakage Current 2 monitor
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Summary of Contents for Allen-Bradley 900-TC16
Page 1: ...USER MANUAL Bulletin 900 TC8 900 TC16 900 TC32 Series B Temperature Controllers...
Page 2: ...2...
Page 72: ...Publication 900 UM007D EN E January 2011 3 2 Configuration Basic Operation Figure 3 3 900 TC32...
Page 136: ...Publication 900 UM007D EN E January 2011 3 66 Configuration Basic Operation Notes...
Page 340: ...Publication 900 UM007D EN E January 2011 5 112 Parameter Functions Definitions Notes...
Page 350: ...Publication 900 UM007D EN E January 2011 6 10 Troubleshooting Error Indication Notes...
Page 406: ...Publication 900 UM007D EN E January 2011 D 8 Glossary Notes...