Error RL00 on the SendPro CX Series

A installation did not complete on your SendPro CX Series. You may be able to clear the error by updating and restarting your meter.

Products affected: SendPro® CX 100, SendPro® CX 200, SendPro® CX 300 and SendPro® CX 500

Issue

The device displays error code RL00.

Cause

A rate file installation did not complete.

Resolution

You may be able to clear the error by updating or restarting your meter. Follow these steps to perform an update or safe restart.

Solution 1: Update your device

  1. Tap Home.
  2. Tap Rates and Updates.
  3. Wait for the update to complete and tap Close.
  4. Tap Print Postage.

If the update does not resolve the issue, try Solution 2.

Solution 2: Restart your device

  1. Unplug the power cord. The screen turns off after 10 seconds.
  2. Wait 30 seconds.
  3. Plug the power cord directly back into a wall outlet. Check that the wall outlet is working correctly.
  4. Quickly tap and release the power button to turn the device back on.
If a restart does not resolve the issue, try Solution 3.

Solution 3: Sync transactions

  1. Tap Settings.
    Settings icon
  2. Scroll down to the Mailing Settings section.
  3. Tap Sync USPS Transaction Data or Sync Transaction Data. A series of messages appear on the screen, starting with "Preparing Transaction Data" followed by "Sending Transaction Data."

UPDATED: October 13, 2026