FR-F700 INSTRUCTION MANUAL (BASIC) - MRO Stop

Check first when you have troubles5.6.10 Operation mode is not changed properly1) Inspection of loadCheck that the STF or STR signal is off.When it is on, the operation mode cannot be changed.2) Parameter settingCheck the Pr. 79 setting.When the Pr. 79 Operation mode selection setting is "0" (initial value), the inverter is placed in theexternal operation mode at input power-on. At this time, pressing on the operation panel(press when the parameter unit (FR-PU04/FR-PU07) is used) switches the mode to the PUoperation mode. For other values (1 to 4, 6, 7), the operation mode is limited accordingly.5.6.11 Operation panel (FR-DU07) display is not operatingCheck that the operation panel is connected to the inverter securely.5.6.12 POWER lamp is not litCheck that wiring is securely performed and installation is correct.5.6.13 Parameter write cannot be performedMake sure that operation is not being performed (signal STF or STR is not ON).Make sure that you are not attempting to set the parameter in the external operation mode.Check Pr. 77 Parameter write selection.Check Pr. 161 Frequency setting/key lock operation selection.TROUBLESHOOTING5109