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6-59 6. [Advanced] How to use parameters
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6. 15. 3 Automatic reset at trip (retry function)
<F303: Retry>
■ Function
The inverter is reset automatically when a trip occurs.
During retry, the motor speed search is activated automatically as occasion demands to start a
motor smoothly.
■ Parameter setting
■ How to use
The following table shows the causes of trip and retry processes.
Followings are the trips of retry targets.
"OC1" , "OC2" , "OC3" , "OP1" , "OP2" , "OP3" , "OL1" , "OL2" , "OL3" , "OLr" , "OH" , "SOUT"
CAUTION
Mandatory
action
• Do not go near the motor or machine.
When the retry function is selected, the motor/machine stopped at an occurrence of alarm will
be started after a selected period of time (suddenly). Going near the motor/machine may result
in unexpected injury.
• Affix the caution label about sudden restart in retry function to the inverter, motor and machine.
Take a preventive measure against accidents.
Title Parameter name Adjustment range Unit Default setting
F303 Retry 0: Disabled
1 - 10
Times 0
Cause of trip Retry process Stop condition
Overcurrent
Overvoltage
Overload
Overheat
Step out (PM only)
Consecutive retries up to 10 times
1st time: Approx. 1 second after
occurrence of a trip
2nd time: Approx. 2 seconds after
occurrence of a trip
3rd time: Approx. 3 seconds after
occurrence of a trip
. . .
10th time: Approx. 10 seconds after
occurrence of a trip
A trip other than overcurrent, overvoltage,
overload, overheat and step-out detection
occurs during retry.
Retry fails with the specified number of times.
0.0HzSTOP
13:16
Min: 0 Max: 10
X1000 X100 X10 X1
0
F303 : Retry
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