Automatic Fault Restart
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5
Automatic Fault Restart
The inverter can be set to restart automatically after a fault occurs. The maximum number of restarts can be
selected.
Auto-resetable Fault codes are: UV1, GF, OC, OV, OL2, OL3, OL4, UL3, UL4, PF, LF
Related Constants.
Number of restarts
The number of reatarts can be set in parameter L5-01. The fault restart intervall time is 2.0 sec.
Fault Relay Operation
Parameter L5-02 can be used to enable or disable the fault relay (terminal MA-MB-MC) during fault retry
condition.
• L2-02 = 1 enabled the fault relay.
• L2-02 = 0 disables the fault relay.
Parameter
No.
Name
Factory
setting
Change
during
operation
V/f
Open
Loop
Vector
Closed
Loop
Vector
L5-01 Number of restarts 2 No A A A
L5-02 Restart operation selection 1 No A A A
Up/Down
Speed command
Speed
DC
Injection/
zero servo
Hardware BB
Brake opened (D/O)
DC
Injection/
zero servo
Fault (D/O)
Fault
The auto-reset signal is accepted when
the hardware base block signal is recieved .
Auto-Reset
2 sec interval
time
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