Digit and Price Displays: Unable to change one or more prices, Bad driver input

Potential Symptoms

  • Red receive (rx) light remains light when disconnecting signal/communication input cable from driver.
  • RX and TX (tx light on FL series drivers) lights could also just be blank.
  • Unable to change prices on driver and any subsequent drivers in daisy chain.
  • May have already swapped out communication equipment.
  • Swapping out previous driver in daisy chain makes no difference.
  • Display may show an E4 error message (no pricing info stored).

FL-3000 symptom

  • Boot up for FLR3 connection may show AFF on failed driver.
  • When in line mapping mode, some signs show prices while other show L01, L02, L03....
    • Driver showing price is not entering line mapping mode.

Environment

  • Product: DataMaster, FLR3-100/400,  Fuelight, DF-2000, DF-2009, DF-2100, DF-2109, DF-2300, DF-4000, FL-2000, FL-2100, FL-2109, FL-2300, FL-3000, FL-4000, FL-4500 Gas Price or Petroleum Price Display, DF digit product, FL digit product 
  • Component: Digit Driver
  • Control System: 

Cause

  • Bad signal input on driver.

Resolution

  1. Replace Driver.
  2. Make sure set the correct face and line address on the replacement driver (every driver in the display should have a  unique line/face combination; e.g. 1L1, 1L2, 2L1, 2L2).

For Temporary Operation

  • Move driver with bad signal input to the Host position. The Host driver does not utilize the line to line signal input.

KB ID: DD2481058


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