Here are the error codes you may see on your 1st generation (black) Lark scale and how to resolve each one.
Lo — Low battery
The scale battery is too low to function. Replace all four AA batteries with fresh ones.
Dashes (- - - -) — Maximum Capacity Exceeded
This indicates that the maximum capacity of the scale has been exceeded. Please contact Lark's Customer Support Team for further assistance.
E1 — Unable to pair (weak cellular signal)
Move the scale closer to a window. Step on the scale and take a reading. If E1 continues, contact our support team via the webform.
E3 — Cellular signal error
Move the scale closer to a window and retry. If E3 continues, contact our support team via the webform. Include the IMEI and SN numbers from the bottom of the scale.
E4 — Timeout / cellular or device issue
If E4 continues, contact our support team via the webform.
E5 — Timeout / cellular or device issue
If E5 continues, contact our support team via the webform. Include the IMEI and SN numbers from the bottom of the scale.
E8 — Cellular signal error
Move the scale closer to a window and retry. If E8 continues, contact our support team via the webform. Include the IMEI and SN numbers from the bottom of the scale.
EErr — Device error
This error requires support team assistance. Contact our team via the webform immediately. Include the IMEI and SN numbers from the bottom of the scale.
Still need help? Contact our support team via the webform at support.lark.com/hc/en-us/requests/new