iG5A, product manual - H2flow

8.12 Auto restart tryGroup Display Parameter Name Setting Range Default UnitFunctiongroup 2H26 [Number of Auto Restart try] - 0 ~ 10 0H27 [Auto Restart time] - 0 ~ 60 1.0 sec• This parameter sets the number of times auto restart is activated in H26.• It is used to prevent the system down caused by internal protection function activated bythe causes such as noise. H26: Auto restart will become active after the H27. H26 – [Number of Auto restart try] isreduced by 1 when it is active. If the trip outnumbers the preset restart try, auto restart functionis deactivated. If the setting is reset via the control terminal or the STOP/RST key on thekeypad, the number of auto restart try set by user is automatically entered. If there is no more trip occurring for 30 sec after Auto restart operation, the H26 is restored tothe preset value. When operation is stopped due to Low voltage {Lvt} or Emergency stop {EST}, InverterOverheat {Oht}, and Hardware Trip {HWt}, Auto restart will be deactivated. After the H27- [Auto Restart time], the motor starts acceleration automatically via speed search(H22-25). The following pattern is shown when the H26 – [Number of auto restart try] is set to 2.ConstantRunTrip occurredFreqVoltageResetSpeed SearchoperationH27RunCommand30SecNumber of Autorestart try2 1 2 1 0 28-18