7. Troubleshooting and Maintenance
7-4
7.2 Monitoring Fault Condition
7.2.1 Monitoring fault display
Code
LCD display
Description
DIS_05
OC-U
Current fault displayed. (U-phase overcurrent)
Check the current fault display before pressing reset key. pressing
[PROG] key and [
▲
(Up)],[
▼
(Down)] shows operating status at the time of
the fault such as output frequency, current, voltage, F/B value, torque
current reference/actual value, dc link voltage, input/output terminal status,
operating status and run time) and the fault contents. Press [ENT] key to
exit. Pressing [RESET] key will store the value in DIS_05 [Last Fault1].
7.2.2 Monitoring previous faults
Previous 2 faults are saved in DIS_05 “Last fault 1/2“. Last fault 1 is more
recent fault than Last fault 2. Refer to “7.2.1 monitoring fault display” to
check the fault contents.
Code
LCD display
Description
DIS_05
Last Fault1
Previous fault 1
DIS_05
Last Fault2
Previous fault 2
DIS_05 “ Fault Clear” removes Last Fault1, Last Fault2 data.
7.3 Fault Reset
There are 3 ways to reset the inverter. After performing this, the number of
automatic restart is initialized.
1) Use [RESET] key on the keypad.
2) Short the RST-CM terminal to reset.
3) Cycle the power (turn the power OFF and turn it ON).
7.4 Fault Remedy
7.4.1 Check the below diagnosis before troubleshooting.
1) Is the wiring of a motor and an inverter conducted correctly?
☞
Refer to Main Circuit Terminal.
2) Is the Encoder-type jumper on I/O PCB set correctly?
☞
Refer to Encoder wiring
Summary of Contents for SV-iV5 Series
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Page 64: ...4 Trial Operation 4 17 ...
Page 114: ...8 Accessories 8 6 ...
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