22 ACH550 Installation, Operation and Maintenance Manual
ACH550-UH
Operating the drive
AUTO/HAND – The very first time the drive is powered up, it is in the auto control 
(AUTO) mode, and is controlled from the Control terminal block X1.
To switch to hand control (HAND) and control the drive using the control panel, press 
and hold the   or   button.
• Pressing the HAND button switches the drive to hand control while keeping the 
drive running.
• Pressing the OFF button switches to hand control and stops the drive.
To switch back to auto control (AUTO), press and hold the   button.
Hand/Auto/Off – To start the drive press the HAND or AUTO buttons, to stop the 
drive press the OFF button.
Reference – To modify the reference (only possible if the display in the upper right 
corner is in reverse video) press the UP or DOWN buttons (the reference changes 
immediately). 
The reference can be modified in the local control mode (HAND/OFF), and can be 
parameterized (using Group 11 reference select) to also allow modification in the 
remote control mode.
Note: The Start/Stop, Shaft direction and Reference functions are only valid in local 
control (HAND/OFF) mode.
Start-up by using the Start-Up Assistant
To start the Start-Up Assistant, follow these steps:
The Start-Up Assistant will guide you through the start-up.
1
Select MENU to enter the main menu.
2
Select ASSISTANTS with the Up/Down 
buttons and select ENTER.
 
3
Scroll to COMMISSION DRIVE with the 
Up/Down buttons.
 
4
Change the values suggested by the 
assistant to your preferences and then 
press SAVE after every change.