Troubleshooting - Omega CN63100 Series User Manual

TROUBLESHOOTING

The majority of problems can be traced to improper connections or incorrect set-up parameters. Be sure all
connections are clean and tight, that the correct output board is fitted, and that the set-up parameters are correct. For
further technical assistance, contact technical support at the appropriate company numbers listed.
PROBLEMS
NO DISPLAY
CONTROLLER
NOT WORKING
"E-FP" IN DISPLAY
"E-UP" IN DISPLAY
"E-E2" IN DISPLAY
"E-CL" IN DISPLAY
"..." OR "-.." IN DISPLAY
"OPEN" IN DISPLAY
(CN63100)
POSSIBLE CAUSE
1. Power off
2. Brown out condition.
3. Loose connection or improperly wired.
4. Bezel assembly not fully seated into rear of unit.
1. Incorrect parameter set-up.
1. Defective front panel button.
1. Internal problem with controller.
1. Loss of set-up parameters due to noise spike.
1. Loss of calibration parameters due to noise spike.
1. Display value exceeds display range.
2. Defective or mis-calibrated cold junction circuit.
3. Loss of set-up parameters.
4. Internal malfunction.
1. Probe disconnected.
2. Broken or burned out probe.
3. Corroded or broken terminations.
4. Excessive process temperature.
REMEDIES
1. Check power.
2. Verify power reading.
3. Check connections.
4. Check installation.
1. Check set-up parameters.
1. Press D to escape, then check all buttons for proper operation.
2. Replace unit.
1. Replace unit.
1. Press D to clear, then check all set-up parameters.
a. Check sensor input and AC line for excessive noise.
b. If fault persists, replace unit.
1. Press D to clear, then check accuracy of controller.
a. Recalibrate controller.
b. Reset calibration parameters to nominal values
(See Factory Service Operations Module).
1. Change resolution to display whole number.
a. Verify reading.
2. Check cold junction calibration.
3. Check set-up parameters.
4. Check calibration.
1. Connect probe. (Connection must remain intact for 3 sec.
to clear "OPEN" condition.)
2. Replace probe.
3. Check connections.
4. Check process parameters.
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