Red Lion TSC - Manual (Page 78)

-76-
APPENDIX “C” - TROUBLESHOOTING
PROBLEMS POSSIBLE CAUSE REMEDIES
NO DISPLAY 1. Power off 1. Check power.
2. Voltage selector switch in the wrong position. 2. Check selector switch position.
3. Brown out condition 3. Verify power reading.
4. Loose connection or improperly wired. 4. Check connections.
5. Bezel assembly not fully seated into rear of unit. 5. Check installation.
INDICATOR 1. Incorrect parameter set-up 1. Check set-up parameters.
NOT WORKING 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 & AC line for
excessive noise.
b. If fault persists, replace unit.
“E-CJ” FLASHING IN 1. Input jumper set for RTD and input programming set 1. Check input jumper position.
UPPER DISPLAY for thermocouple.
“....” or “-...” IN DISPLAY 1. Temperature over 999.9 or under -99.9. 1. Change to 1° resolution.
a. Verify temperature reading.
2. Defective or mis-calibrated cold junction circuit. 2. Check cold junction calibration.
3. Loss of set-up parameters. 3. Check set-up parameters.
4. Internal malfunction. 4. Check calibration.
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 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.