APPENDIX “C” - TROUBLESHOOTING
The
m
ajority
of
problem
s
can
be tracedto improperconnections or incorrect set-upparameters.
Be sure all connections are clean and tight, that the correct output module is fitted, and that the
set-up parameters are correct. For further technical assistance, contact technical support at the
numbers listed on the back cover of the instruction manual.
Problems Possible Cause Remedies
NO DISPLAY 1. Po wer off
2. Voltage selector switch in the wrong position.
3. Brown out condition.
4. Loose connection or improperly wired.
5. Bezel assembly not fully seated into rear of unit.
1. Check power.
2. Check selector switch position.
3. Verify power reading.
4. Check connections.
5. Check installation.
INDICATOR
NOT WORKING
1. Incorrect parameter set-up. 1. Check set-up parameters.
a. Power-up unit for self-test.
“E-FP” IN DISPLAY 1. Defective front panel button. 1. Press DSP to escape, then check all buttons for proper operation.
2. Replace unit
“E-UP” IN DISPLAY 1. Internal problem with controller. 1. Replace unit.
“E-E2” IN DISPLAY 1. Loss of set-up parameters due to noise spike. 1. Press DSP to clear, then check all set-up parameters.
a. Check sensor input and AC line for excessive noise.
b. If fault p ersists, replace unit.
“E-CJ” FLASHING IN
UPPER DISPLAY
1. Input jumper set for RTD and input programming
set for thermocouple.
1. Check input jumper position.
“....” OR “-...” IN DISPLAY 1. Temperature over 999.9 or under -99.9.
2. Defective or mis-calibrated cold junction circuit.
3. Loss of set-up parameters.
4. Internal malfunction.
1. Change to 1° resolution.
a. Verify temperature reading.
2. Check cold junction calibration.
3. Check set-up parameters.
4. Check calibration.
“OPEN” IN DISPLAY 1. Probe disconnected.
2. Input selector jumper in wrong position.
3. Broken or burned out probe.
4. Corroded or broken terminations.
5. Excessive process temperature.
1. Connect probe.
2. Verify correct jumper position.
3. Replace probe.
4. Check connections.
5. Check process parameters.
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