Mitsubishi Electric FR-F820-00046, Instruction Manual

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Reset method for the protective functions Protective functions
6 - 2
6.2 Reset method for the protective functions
Reset the inverter by performing any of the following operations. Note that the accumulated heat val-
ue of the electronic thermal relay function and the number of retries are cleared (erased) by resetting
the inverter.
The inverter recovers about 1 s after the reset is released.
●
On the operation panel, press STOP/RESET key to reset the inverter.
(This may only be performed when a fault occurs. Refer to page 6-18 of the Instruction Manual
for faults.)
●
Switch the power OFF once, then switch it ON again.
●
Turn ON the reset signal (RES) for 0.1 s or more. (If the RES signal is kept ON, "Err" appears (flickers)
to indicate that the inverter is in a reset status.)
Fig. 6-1:
Resetting the inverter by using the operation panel
I002451E
Fig. 6-2:
Resetting the inverter by switching the power
supply off and on
I001297E
Fig. 6-3:
Resetting the inverter by turning on the RES signal
I002452E_G
NOTE OFF status of the start signal must be confirmed before resetting the inverter fault. Resetting an
inverter fault with the start signal ON restarts the motor suddenly.
ON
OFF
PC
RES
Inverter