Maintenance
Troubleshooting
QuickStick HT User Manual 297
Rockwell Automation Publication MMI-UM007F-EN-P - September 2020
Block n Inverter Faults
4 Guard Stop Request Status
Definition The inverter's gate drivers are disabled due to an STO function
from the safety core.
Set condition Hardwired STO is enabled.
Clear condition Hardwired STO is disabled.
User action • Check the Safety Core Faults.
• Power cycle the unit.
• If problem persists, return the unit.
Motor Suspend Fault Yes
7 Gate driver undervoltage lockout
Definition The inverter board detects an undervoltage level on the gate driv-
ers.
Set condition Gate driver voltage drops below 13V.
Clear condition Gate driver voltage rises above 13V.
User action • Power cycle the unit.
• If problem persists, return the unit.
Motor Suspend Fault Yes
9 Power Supply Not Ready
Definition The inverter board has not received notice that the power supply is
in the running state.
Set condition CIP Axis State of the Power Supply is not in the Running State.
Clear condition CIP Axis State of the Power Supply is in the Running State.
User action None
Motor Suspend Fault Yes
10 Fuse Open
Definition The fuse for the inverter board is detected open.
Set condition Fuse is blown open.
Clear condition Factory replaces fuse.
User action Replace the motor controller.
Motor Suspend Fault Yes
Table 8-8: QuickStick HT MMI_path_qs_ht_faults_status Motor Faults (Continued)