User Manual of A90 Series Inverter Different fault types of the A90 series inverter are detailed in Table 7-22. Table 7-22 List of Fault Types The running statuses of the A90 series inverter in faults are detailed in Table 7-23. Table 7-23 List of Running Statuses in Faults 250 Fault type Keyboard Fault type Keyboard display display 0: No failure 0 E01: output short circuit protection E01 E02: instantaneous overcurrent E02 E03: instantaneous overvoltage E03 E04: steady-state overcurrent E04 E05: steady-state overvoltage E05 E06: Steady-state undervoltage E06 E07: input phase loss E07 E08: output phase loss E08 E09: inverter overload E09 E10: inverter overheat protection E10 E11:
parameter setting conflict E11 E12: motor overheat E12 E13: motor overload E13 E14: external fault E14 E15: inverter memory failure E15 E16: communication abnormality E16 E17: Temperature sensor abnormality E17 E18: disengaged soft start relay E18 E19: current detection circuit abnormality E19 E20: stall failure E20 E21: PID feedback disconnection E21 E22: retention E22 E23: keyboard memory failure E23 E24: parameter identification abnormality E24 E25: retention E25 E26: off-load protection E26 E27: up to the cumulative power-on time E27 E28: up to the cumulative running time E28 E29:
internal communication failure E29 Keyboard Detailed Explanation of display Running Status of Inverter 0 Not running 1 Forward acceleration 2 Reverse acceleration 3 Forward deceleration 4 Reverse deceleration 5 Forward constant speed 6 Reverse constant speed