YASKAWA V7 Technical Manual

Also see for SI-T/ V7: Instructions

Contents

6-2Alarm DisplayDigital RUN (Green) Drive Explanation Causes andOperator ALARM (Red) Status Corrective ActionsCAL (MODBUS Check communicationcommunications waiting) devices, and transmissionCorrect data has not been signals.received from the PLCwhen the parametern003 (operation commandBlinking selection) is 2 orn004 (frequency referenceselection) is 6,and power is turned ON.OPE (Parameter setting Check the setting values.error when the parametersetting is performedthrough the MODBUScommunications)OPE1: Two or more valuesare set for multi-function inputselection.(parameters n050 ton056)OPE2: Relationship amongV / f parameters is notcorrect.(parameters n011,n013, n014, n016)Blinking OPE3: Setting value ofelectronic thermalstandard currentexceeds 150% ofdrive rated current.Warning (parameter n036)only. OPE4: Upper / lower limitFault of frequencycontacts reference is reversed.do not (parameters n033,change n034)state. OPE5: (parameters n083 ton085)OPE9: Carrier frequencysetting is incorrect.(parameter n080)OL 3 (Overtorque Reduce the load, anddetection) increase the accel / decelMotor current exceeded time.the preset value inBlinking parameter n098.SEr (Sequence error) Check the external circuitDrive receives (sequence).LOCAL / REMOTE selectcommand orBlinking communication / controlcircuit terminal changingsignals from the multi-function terminal while thedrive output is ON.Table 6-1. Alarm Displays and Corrective Actions - Continued