Red Lion GEMINI 42 - Manual (Page 50)

APPENDIX “C” - TROUBLESHOOTING GUIDE
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The majority of difficulties arising with the Gemini are related to incorrect hook-up and programming set-up. Always
check all connections, function codes, Scale Factors, and preset as a first step in troubleshooting.
Before applying power, double check all wiring. Improper AC voltage or AC connections may result in permanent
damage to the unit.
For further technical assistance, contact technical support at the appropriate company numbers listed on the back of
this instruction manual.
PROBLEM POSSIBLE CAUSE REMEDIES
NO DISPLAY 1. Power off, improperly connected, or power 1. Check all wiring, verify power.
brown-out.
P ON DISPLAY 1. Data error on power-up. 1a. Press “E” key.
b. Check all function codes.
E ON THE DISPLAY 1. Data error detected by processor. 1a. Press “E” or “R” button.
b. Check all function codes.
c. Check signal lines for possible noise sources.
NO RESPONSE TO FRONT PANEL 1. Panel disabled. 1. Consult manual on “Operator Accessible
Functions" modes.
UNIT DOES NOT COUNT 1. No input. 1. Check sensors/connections.
2. Input selected incorrectly. 2. Check rear panel DIP switches.
3. Count inhibited. 3. Check function code 43, “Input 1 and 2
Response” modes.
4. Scale factor/multiplier too small. 4. Check scale factor value and scale
multiplier values.
UNIT WILL NOT ACCEPT THE DESIRED 1. When counter scale factors greater than 1 are used, 1. Unit automatically adjusts preset to be
PRESET the preset value must be evenly divisible by the evenly divisible by the scale factor.
scale factor.