Code Name Causes Possible Solutions SE Modbus Test Mode Error MEMOBUS/Modbus communications self-diagnostics [H1-xx = 67] was done while the drive was running. Stop the drive and do MEMOBUS/Modbus communications self-diagnostics. Note: If detected, the terminal assigned to H2-01 to H2-04 = 10 [MFDO Function Select = Alarm] will be ON.
