Red Lion GEMINI 52 - Manual (Page 42)

APPENDIX “C” - TROUBLESHOOTING GUIDE
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The majority of difficulties arising with the Gemini 5200 are related to incorrect hook-up
and programming set-up. Always check all connections, function codes, Scale Factor, and
presets 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 cover 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” key.
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.
NO RATE INDICATION 1. No input. 1. Check sensors/connections.
2. Input selected incorrectly. 2. Check rear panel DIP switches.
3. Scale factor/multiplier too small. 3. Check scale factor value and scale
multiplier values.
4. Input frequency below 0.03 cps. 4. At frequency under 0.03 cps (1 pulse every
32 sec) the display will read zero.