MotoCrane ULTRA Error 122: System Under-Voltage Warning
System voltage is below 46V. Going lower can shut the system down or stop normal operation.
Warning: yellow icon, one beep. Keep working with care.
What to do
- Check the power source voltage. The PSU wants 48VDC (45 to 60VDC max).
First, always: check every cable and the COM and Power LEDs on each module. Axis: system. Applies to MotoCrane ULTRA.
Code 122 on RADICAL is different: RADICAL Error 122: System Over-Voltage Warning.
Print the ULTRA code card (PDF)