User Manual of EM730 Series Inverter Different types of protection of EM730 series inverters are explained in Table 7-24. Table 7-24 List of Protection Types 319 Protection Type Keyboard display Protection Type Keyboard display 0: no protection 0 E01: output short circuit protection E01 E02: instantaneous overcurrent E02 E03: reserved 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：reserved E12 E13: motor overload E13 E14: external protection E14 E15:
inverter memory protection E15 E16: communication abnormality E16 E17: temperature sensor abnormality E17 E18: disengaged soft start relay E18 E19: current detection circuit abnormality E19 E20: stall protection E20 E21: PID feedback disconnection E21 E20: reserved E22 E23: keyboard memory protection E23 E24: parameter identification abnormality E24 E25: reserved 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 protection E29 E44: cable protection E44 E43: material cutoff protection E43 E57: overpressure in pipeline network E57 E58: under-pressure in pipeline network E58 E68:
SVC start failure (synchronous motor) E68 E76: short circuit to ground E76