Chapter 8 Troubleshooting & Maintenances
8-3
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).
8.4 Fault remedy
8.4.1 Check the below diagnosis before troubleshooting.
1) Is the wiring of a motor and an inverter conducted correctly?
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Refer to Main Circuit Terminal
2) Is the Encoder-type jumper on I/O PCB set correctly?
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Refer to Encoder wiring
If encoder type is either Complementary or Open collector, slide JP1 switch to “OC” and short the JP2
jumper to “P15”. If encoder type is Line Drive, slid the JP1 switch to “LD” and short the JP2 jumper to
“P5”.
Factory default: Line Drive Type
3) Is motor rotating direction set correctly?
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Refer to Monitoring Encoder operation
STARVERT
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iV5[MRL] defines Forward rotation when motor rotates in clockwise from the
view of Rear Bracket (Motor FAN).
4) Is inverter operating correctly in no load condition?
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Refer to Operation via Keypad and Control Terminal
8.4.2 Check list before installation
Check (1) ~ (9) before installation. Check (10) ~ (16) when problem has occurred during use.
1) The Motor Does Not Rotate when Red lamp on [STOP], [REV], [FWD] key is ON.
(1)
Is red lamp lit?
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Check whether other trips occur in DIS_05.
If fault occurs, press [RESET] key to clear trip status and try operation.