Red Lion PCU - Manual (Page 81)

APPENDIX “C” - TROUBLESHOOTING
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PROBLEMS POSSIBLE CAUSE REMEDIES
NO DISPLAY 1. Power 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 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 input and AC line for excessive noise.
b. If fault persists, replace unit.
“....” OR “-...” IN DISPLAY 1. Input display out of range.
2. Loss of set-up parameters.
3. Internal malfunction. 1. Check unit scaling.
2. Check set-up parameters.
3. Check calibration.
“SENS” IN DISPLAY 1. Incorrect input wiring.
2. Defective transmitter.
3. Internal malfunction. 1. Check input wiring.
2. Check signal calibration.
3. Check calibration.
“OLOL” IN DISPLAY 1. Input signal overload.
2. Loss of set-up parameters. 1. Check input signal set-up.
2. Check set-up parameters.
“ULUL” IN DISPLAY 1. Input signal overload.
2. Loss of set-up parameters. 1. Check input signal set-up.
2. Check set-up parameters.
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.