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 Desk Will Not Go Up or Down Test Individual Parts for Function Error Codes Synchronize the Desk ❗️ Lifting Columns Are Not Synchronized (one is higher than the other)