Toshiba HX7+ ASD, Installation & Operation Manual

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200 HX7+ ASD Installation and Operation Manual
Dynamic Braking Resistor Overload • Deceleration time is too short.
• DBR setting adjustment required.
• Overvoltage Stall setting adjustment required.
Earth Fault • Ground fault at the motor.
• Ground fault at the output of the ASD.
• Current leakage to Earth Ground .
EEPROM Data Fault • EEPROM read malfunction.
EEPROM Fault • EEPROM write malfunction.
Emergency Off • Emergency Off command received via keypad or remotely.
Encoder Loss • Encoder signal missing while running during closed-loop operation.
Flash Memory Fault • Flash memory malfunction.
Gate Array Fault • Defective Gate Array or Gate Array malfunction.
Input Phase Loss • 3-phase input to the ASD is low or missing.
Load Drooping • Load requirement is in excess of the capabilities of the motor.
Load End Short Circuit • Improper wiring at the ASD output to the motor.
Low Current • Improper Low Current detection level setting.
Main Board EEPROM Fault • Internal EEPROM malfunction.
Motor Overload • V/f setting needs to be adjusted.
• Motor is locked.
• Continuous operation at low speed.
• Load requirement exceeds ability of the motor.
• Startup frequency setting adjustment required.
No Fault • No active faults.
Option Fault • Optional device malfunction.
• Improper system settings (at ASD or optional device).
• Loose or improper connection.
Output Current Protection Fault • Output current is not within specified limits.
• Loose or improper ASD-to-motor connection.
Output Phase Loss • 3-phase output from the ASD is low or missing.
Note: The event that caused the Trip(s) must be corrected or must decrease to less than the threshold
value required to cause the trip to allow for a Reset to be recognized. In the event of multiple
active trips, the trip displayed will remain until all faults are corrected and all trips are cleared.
Fault Screen Display Possible Causes