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98
2.7.22 AUTOMATIC RESET AND RESTART FUNCTION
Item Name
Constant to be set
Factory Preset
Fault Retry Selection
47
0
Speed Search Operation Level
54
150%
Minimum Baseblock Time
55
0.5s
V/f during Speed Search
56
100%
If an inverter fault occurs during running, the inverter performs selfdiagnosis to restart automatically.
The number of the self-diagnosis and restarting times can be set up to 10
times to
47
. By setting 0 times, the fault retry function becomes disabled.
The inverter restarts automatically in case of the following faults.
1. Overcurrent protection (OC)
2. Overvoltage protection (OV)
3. Cooling fin overheat (OH)
The number of fault retry times is cleared to 0 in the following cases:
1.No fault occurs for more than 10 minutes.
2.Fault reset input signal (or reset key on the digital operator) is turned ON when the fault is checked.
3.The power supply is turned off.
Fault retry operation is described below:
