APPENDIX “C” - TROUBLESHOOTING GUIDE
The majority of all problems with the indicator can be traced to improper
connections or improper programming set-ups. Be sure all connections are clean
and tight and check the programming set-ups for correct data.
For further technical assistance, contact technical support at the appropriate
company numbers listed on the back cover of the instruction manual.
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PROBLEM
POSSIBLE CAUSE
REMEDIES
NO DISPLAY
1. Power off, improperly connected, or brown-out.
1a. Check wiring.
b. Verify power.
“PPPPPP” IN DISPLAY
1. Program data error.
1. Press “P” and Check data set-ups.
FLASHING DISPLAY
1. Totalizer overflow.
1. Reset totalizer.
“......” IN DISPLAY
1. Input display out of range.
1a. Check unit scaling.
b. Check for electrical disturbance.
2. Loss of data set-ups.
2a. Check data set-ups.
b. Check for electrical disturbance.
c. Disconnect and reconnect power.
DISPLAY WANDERS
1. Loss of data set-ups.
1a. Check data set-ups.
b. Disconnect and reconnect power.
c. Check for electrical disturbance.
JITTERY DISPLAY
1. Electrical “Noise” in process or sensor lines.
1a. Increase digital filtering.
b. Increase display rounding increment.
c. Re-route signal wires.
2. Process inherently unstable.
2. Dampen process to eliminate oscillations.
“OPEN” IN DISPLAY
1. Probe unconnected.
1. Connect probe.
2. Broken or burnout probe.
2. Repair or obtain new probe.
3. Excessive probe temperature.
3. Reduce temperature.
4. Input overload.
4. Check input levels.
“SHOrt” IN DISPLAY
1. Input Underload (negative overload).
1. Check input levels.