Lifting Columns Are Not Synchronized (one is higher than the other) October 23, 2024 01:46 Updated To download the Troubleshooting Guide, click here. If the Lifting Columns are not synchronized (one is higher than the other) Error Code: E12 1. SYNCHRONIZE THE DESK. VIEW INSTRUCTIONS HERE. 2. TEST INDIVIDUAL LIFTING COLUMNS. VIEW INSTRUCTIONS HERE. TROUBLESHOOTING GUIDE Complete Troubleshooting Guide Related articles Synchronize the Desk ❗️ Desk Movement is Not Smooth Desk Will Not Go Up or Down Test Individual Parts for Function Error Codes