Resolve error 031A-41-0008 "WOW sensor calibration error" on the Connect+ series and SendPro P series

Learn how to resolve error 031A-41-0008 "WOW sensor calibration error" on the Connect+ 500W, Connect+ 1000, Connect+ 2000, Connect+ 3000, SendPro P1000, SendPro P1500, SendPro P2000 and SendPro P3000.
Products affected: Connect+® 500W, Connect+® 1000, Connect+® 2000, Connect+® 3000, SendPro® P1000, SendPro® P1500, SendPro® P2000, SendPro® P3000

Issue

The Connect+® / SendPro™ P Series displays error code 031A-41-0008 "WOW sensor calibration error" and will not run mail.

Cause

A sensor is not properly calibrated.

Resolution

A reboot may resolve the issue. Follow these steps to restart safely:
  1. Select the gear from the lower right corner of the home screen.
  2. Select Shut Down from the menu.
  3. Select Shut Down on the pop-up.
  4. Wait for the screen to turn off and the blue light on the front to turn off. This may take several minutes.
  5. After everything has been off for 10 seconds, press the power button to turn the machine back on.
If the issue is not resolved, contact client support. Please have your model number ready.

UPDATED: August 14, 2021

Contact Us
Live Chat
Available • Closes at 8pm ET
Sales team hours are 8am-6pm ET
Live Chat
Live Chat is currently unavailable.
Chat is available Mon-Fri, 8am-8pm ET
Create a case
Submit support requests (Sign in required)