Appendix “c” - troubleshooting – Red Lion C48T User Manual
Page 39

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 board is fitted, and that the set-up parameters are correct. Also,
be sure the User Input Plug Jumper position is correct for the particular application. For further technical assistance,
contact technical support at the numbers listed on the back cover of the instruction manual.
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PROBLEMS
POSSIBLE CAUSE
REMEDIES
NO DISPLAY
1. Power off.
1. Verify power.
2. Loose connection or improperly wired.
2. Check connections and wiring.
3. Brown out condition.
3. Verify power reading.
4. Bezel assembly not fully seated into rear of unit.
4. Check installation.
5. Verify Source current rating.
Err3
DISPLAYED AT
POWER UP
Err2
DISPLAYED AT
POWER UP
Err1
DISPLAYED AT
POWER UP
1. Data error in timer value detected by processor.
1. Data error in programming parameters detected by processor.
1. Data error in preset or output time values detected by processor.
1. Press
A key.
1. Press
A key.
1. Press
A key.
2. Check signal lines for possible noise sources.
a. Check all programming parameters.
a. Check presets and output time values.
2. Check signal lines for possible noise sources.
2. Check signal lines for possible noise sources.
UNIT DOES NOT TIME
1. Run/Stop input not active.
1. Check Run/Stop input connections.
2. Unit programmed for stop timing at output 1 or 2 mode.
2. Apply reset to restart the timing cycle.
1. Front panel disabled.
1. Check “Front Panel Accessible Functions With Program
Disable” section of the manual.
CAN NOT ENTER INTO
PROGRAMMING
5. If powered by +12 VDC source, not enough current to drive C48.
APPENDIX “C” - TROUBLESHOOTING
C48t-im.QXD 3/5/04 3:29 PM Page 33