7121
MOTOR STALL
Allen-Bradley · ABB ACS800 Standard Firmware
What does 7121 mean?
The motor is operating in a stall region, which occurs when the load exceeds the motor's capability, or the motor power is insufficient for the application. This fault is linked to bit 14 of Fault Word 2 (3.06 FW 2) and controlled by Fault Functions 30.10 through 30.12.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Adjust the acceleration/deceleration ramps to reduce peak torque demands if the load is dynamic.
Source: ABB ACS800 Standard Firmware
Open Manual (Page 244)