Fault Diagnosis; Protective And Diagnostic Function - YASKAWA VS-606V7 Series Instruction Manual

8. FAULT DIAGNOSIS

Protective and Diagnostic Function

This section describes the alarm and fault displays, explanations for fault
conditions and corrective actions to be taken if the VS-606V7 malfunctions.
< Corrective actions for models with blank cover >
1. Input fault reset or cycle the power supply OFF and ON.
2. When a fault cannot be corrected:
(1) Turn the power supply OFF and check the wiring and external circuit
(sequence) .
(2) Turn the power supply OFF and replace the blank cover with the
digital operator to display faults. The faults are displayed after turning
the power ON.
134