Sigma-II Series SGM*H/SGDH USER'S MANUAL - Esco Drives ...

10.1 TroubleshootingTable 10.6 Alarm Display and Troubleshooting (Cont’d)AlarmDisplayAlarm NameSituation at AlarmOccurrenceCauseCorrective ActionsA.32 RegenerativeOverload(Detected whenthe power to themain circuit isturned ON.)Occurred when thecontrol power supplywas turned ON.Occurred when themain circuit powersupply was turnedON.A SERVOPACK board fault occurred.The power supply voltage is 270 V or more.Replace the SERVOPACK.Correct the input voltage.Occurred duringnormal operation(large increase ofregenerative resistortemperature).The regenerative energy is excessive.The regenerating state continued.Select a proper regenerative resistance capacity, orreconsider the load and operation conditions.Occurred duringnormal operation(small increase ofregenerative resistortemperature).The setting of parameter Pn600 is smaller than theexternal regenerative resistor’s capacity.A SERVOPACK fault occurred.Correct the set value of parameter Pn600.Replace the SERVOPACK.Occurred at servomotordeceleration.The regenerative energy is excessive.Select a proper regenerative resistance capacity, orreconsider the load and operation conditions.A.33 Main CircuitWiring Error(Detected whenthe power to themain circuit isturned ON.)Occurred when thecontrol power supplywas turned ON.Occurred when themain circuit powersupply was turnedON.A SERVOPACK board fault occurred.In the DC power input mode, AC power is suppliedthrough L1 and L2 or L1, L2, and L3.In the AC power input mode, DC power is suppliedthrough 1 and terminals.Replace the SERVOPACK.For AC power input, Pn001.2=0.For DC power input, Pn001.2=1.Pn600 is set to 0 if the regenerative resistance is disconnected.Set Pn600 to 0.A.40 Overvoltage ∗1(Detected whentheSERVOPACK’smain circuit DCvoltage is 420 Vor more.)(Detected whenthe power to themain circuit isturned ON.)Occurred when thecontrol power supplywas turned ON.Occurred when themain circuit powersupply was turnedON.Occurred duringnormal operation.A SERVOPACK board fault occurred.The AC power voltage is too high.A SERVOPACK fault occurred.Check the AC power voltage (check if there is noexcessive voltage change.)The motor speed is high and load moment of inertiais excessive, resulting in insufficient regenerativecapacity.Replace the SERVOPACK.The AC power voltage must be within the specifiedrange.Replace the SERVOPACK.The AC power voltage must be within the specifiedrange.Check the load moment of inertia and minus loadspecifications. Reconsider the load and operationconditions.A SERVOPACK fault occurred.Replace the SERVOPACK.Occurred at servomotordeceleration.The motor speed is high, and the load moment ofinertia is excessive.Reconsider the load and operation conditions.1010-9