9. Troubleshooting and Maintenance
9-4
9.4.2 Check list before installation
Check (1) ~ (9) before installation. Check (10) ~ (16) when problem has occurred during use.
1) The Motor Does Not Rotate
① Is red lamp blinking ?
☞ Check whether other trips occur in DIS_05.
If fault occurs, press [RESET] key to clear trip status and try operation.
☞ Check whether BX (Emergency stop) signal is applied on keypad and input terminal defined as BX is ON in DIS_03. If
so, release BX and try operation.
② RUN/STOP method is properly set ?
☞ Check FUN_01 RUN/STOP method setting matches the actual operation mode(RUN/STOP via keypad or
terminal). If FUN_01 is set to terminal but operation is not performed, change it to keypad mode and try
operation. If FUN_02 is set to Keypad but operation is not performed, change it to Terminal and try operation. If
either way cannot work, refer to (6).
2) The motor does not rotate when Green lamp on [REV], [FWD] key is ON.
① Is inverter U, V, W output correctly wired to motor U, V, W output?
☞ Refer to Main circuit terminal
② Is the motor shaft jammed by brake or other mechanical devices?
☞ check the directly connected brake’s relay on time and brake open time.
③ On DIS_01 PreRamp Ref, is speed reference displayed not “0”?
☞ set the desired speed reference if it is set to “0”. If it is incorrectly set, refer to (7).
④ Is PAR_07 [motor rating] properly set?
☞ check the motor nameplate and setting matches.
DIS ▶ Terminal In
03 0010000000
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