Toshiba Q9 Installation And Operation Manual page 211

EOI Display
Abnormal CPU2 Abnormal CPU2 Communication.
Add-On Option 1 Add-On Option 1 Error.
Add-On Option 2 Add-On Option 2 Error.
Analog in Loss Analog Input Loss.
Analog in OV Analog Input Terminal Over-Voltage.
ASD Overload ASD Overload.
ASD RAM Fault ASD RAM Fault.
ASD ROM Fault ASD ROM Fault.
CPU Fault CPU Fault.
Ctrl Read Err Initial Read Error (Parameter Initialization). • Service call required.
Current Err Current Detection Hardware Error.
Improper Input Voltage Level at Discrete
Discrete in Volts
Input Terminal.
EEPROM Write Err EEPROM Fault (Writing Error).
Emergency Off Command Received Via
Emergency Off Keypad or Remotely. Output Signal From
the ASD is Terminated.
Encoder Loss Encoder Loss.
Gate Array Fault Gate Array Fault.
Ground Fault Ground Fault.
Input Phase Input Phase Failure.
Low-Current Low-Current Operation.
Main Read Err Initial Read Error (Parameter Initialization). • Service call required.
Q9 ASD Installation and Operation Manual
Table 12. Fault Codes
Fault Description Possible Cause
• Service call required.
• Service call required.
• Service call required.
• V/I input terminal configured for operation but the
voltage/current input is either missing or low.
• Over-current at P24.
• Mis-wire at the ASD input terminals.
• Acceleration time is too short.
• DC Injection current is too high.
• V/f setting needs to be adjusted.
• Motor running during restart.
• ASD/motor improperly matched to the application.
• Service call required.
• Service call required.
• Service call required.
• Improper low-current detection level setting.
• Motor (phase) is disconnected.
• Discrete input terminal configured for operation
and the input activation voltage level is out of
specification.
• Service call required.
• Stop-Reset pressed twice at the EOI.
• E-Off command received remotely.
• Select stopped method at F603.
• Encoder signal not received.
• Defective gate array or gate array malfunction.
• Service call required.
• Mis-wired ground.
• Loose ground connection.
• Mis-wired input phase.
• Loose input phase connection.
• Improper low-current detection level setting.
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