5-1 Special Display List 5 Maintenance Operations 5-2 Name Description Display on Digital Operator Ground fault trip Shuts off the output if a ground fault between the Inverter output unit and the motor is detected when turning on the power. •The ground fault trip ek_k1k4 cannot be released with the reset input. Shut off the power and check the wiring. ek_k1k4 Incoming overvoltage trip Appears if the incoming voltage has remained high for 100 seconds while the Inverter output is stopped. ek_k1k5 Temperature error Shuts off the output if the temperature has risen in the main circuit due to malfunction of the cooling fan or other reasons.
ek_k2k1 Driver error Shuts off the output if overcurrent is detected in the main circuit. ek_k3k0 Thermistor error While the thermistor input function is used, this detects the resistance of the external thermistor and shuts off the Inverter output. ek_k3k5 Emergency shutoff With the emergency shutoff selected (DIP switch on the control board SW8 = ON), this error appears when an emergency shutoff signal is input from multi-function input terminal 3. ek_k3k7 Communications error Occurs when the communication watchdog timer times out. ek_k6k0