YASKAWA ELECTRIC TOEP C710606 09B YASKAWA AC Drive V1000 Installation & Start-Up Manual 1815.3 Drive Alarms, Faults, and ErrorsTroubleshooting55.3 Drive Alarms, Faults, and Errors◆ Types of Alarms, Faults, and ErrorsCheck the LED operator for information about possible faults if the drive or motor fails tooperate. Refer to Using the Digital LED Operator on page 91.If problems occur that are not covered in this manual, contact the nearest Yaskawarepresentative with the following information:• Drive model• Software version• Date of purchase• Description of the problemTable 5.4 contains descriptions of the various types of alarms, faults, and errors that mayoccur while operating the drive.Contact Yaskawa in the event of drive failure.Table 5.4 Types of Alarms, Faults, and ErrorsType Drive Responses to Alarms, Faults, and ErrorsFaults• When the drive detects a fault:• The digital operator displays text that indicates the specific fault and the ALM indicator LEDremains lit until the fault is reset.• The fault interrupts drive output and the motor coasts to a stop.• Depending on the setting, the drive and motor may stop via different methods than listed.• If a digital output is programmed for fault output (H2-
= E), it will close if a fault occurs.• When the drive detects a fault, it will remain inoperable until that fault has been reset. Refer toFault Reset Methods on page 227.Minor Faults andAlarms• When the drive detects an alarm or a minor fault:• The digital operator displays text that indicates the specific alarm or minor fault and the ALMindicator LED flashes.• The motor does not stop.• One of the multi-function contact outputs closes if set to be tripped by a minor fault (H2-
=10), but not by an alarm.• The digital operator displays text indicating a specific alarm and ALM indicator LED flashes.• Remove the cause of an alarm or minor fault to automatically reset.Operation Errors• When parameter settings conflict with one another or do not match hardware settings (such aswith an option card), it results in an operation error.• When the drive detects an operation error:• The digital operator displays text that indicates the specific error.• Multi-function contact outputs do not operate.• When the drive detects an operation error, it will not operate the motor until the error has beenreset. Correct the settings that caused the operation error to reset.
