Dashed Lines on a FINCH 5332E

1. 1

   Inspect the SVBus Status LED

   1. Open the FINCH 5332E display lid.
   2. Locate the main circuit board inside the door. The board contains a large white connector.
   3. Turn system power ON.
   4. Observe the SVBus Status LED located near the large white connector.

   Normal Operation

   • The LED pulses on and off in a steady heartbeat pattern.

   Abnormal Operation

   • Irregular blinking
   • Partial illumination
   • Solid ON condition

   Any of these conditions indicate a probable communication fault.

2. 2

   Isolate the Display

   1. Turn system power OFF.
   2. Disconnect the transmitter from the display by unplugging the transmitter connection:
      • FINCH 5332E (Green Board): Connector marked P2
      • FINCH 5332E (Red Board): Connector marked Transmitter
   3. Turn system power ON again.
   i

   If the SVBus LED remains ON: the FINCH 5332E display is faulty and requires you to upgrade to our latest FINCH display version.

   If the SVBus LED turns OFF: continue to Step 3.

3. 3

   Verify the Cable and Transmitter

   1. Remove the TD80 transmitter from the top of the tank.
   2. Using a known-good cable or wiring, reconnect the TD80 directly to the display.

   Results

   • If communication is restored, the original cable or field wiring is faulty.
   • If the display continues to show four dashes (----), the TD80 transmitter is defective and needs to be upgraded to our latest TD100 transmitter.