Red Lion LEGEND - Manual (Page 61)

-59-
TROUBLESHOOTING GUIDE For further technical assistance, contact technical support at the
numbers listed on the back cover of the instruction manual.
PROBLEMS POSSIBLE CAUSE REMEDIES
NO DISPLAY 1. Power off 1. Verify power.
2. Improperly wired 2. Check wiring.
3. Voltage selector switch in the wrong position. 3. Check switch position.
4. Power in a Brown out condition 4. Verify voltage reading.
5. If powered by +12 VDC source, not enough current 5. Verify Source current rating.
to drive Legend Plus.
6. Blank message requested. 6. Check message, Output message request
User Input programming.
7. Mnemonics/Display not programmed properly. 7. Check Display programming.
CHECKSUM 1. Data error detected by processor. 1. Press “ENT” key.
ERROR 1 OR 2 ON DISPLAY a. Check all programming parameters.
2. Check signal lines for possible noise sources.
UNIT DOES NOT COUNT 1. No input signal. 1. Check sensor connections.
a. Verify power to sensor.
2. Type of input signal incorrectly selected. 2. Check DIP switch setting on side of unit.
3. Count Inhibited. 3. Disable Count Inhibit.
4. Scale factor and/or multiplier value too small. 4. Check scale factor value and scale multiplier
Values.
UNIT WILL NOT ACCEPT THE 1. When a count scale factor greater than 1 is used, the 1. Unit automatically adjusts preset to be
DESIRED PRESET preset value must be evenly divisible by the scale factor. evenly divisible by the scale factor.
UNIT COUNTS INCORRECTLY 1. Input signal type incorrectly selected. 1. Check DIP switches. Set HI/LO FRQ. switch
to LO for a count speed of less than 50 Hz.
2. Inputs improperly connected. 2. Check sensor input connections.
3. Electrical noise interference. 3. Check power source for noise.
a. Check signal wire routing.
4. Incorrect counting mode. 4. Verify programming in “Program Cntr Module.”
5. Scale factor incorrect. 5. Verify scale factor value.