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Cause : External alarm comes when external fault at multi-function input terminal or faults comes from external control circuit. 0h2 fault in fuji FRENIC MEGA drive indicates External alarm. This mea...

Cause : Heat sink overheat comes when the temperature of the inverter's heatsink, which is responsible for dissipating heat generated by the power components (like IGBTs), has exceeded its safe operat...

Cause : Output phase loss comes when open phase is present in the motor or when you run drive without motor. This means one of the phases in the output of a three-phase electrical system is lost or di...

Cause : Input phase loss comes when input R,S,T have phase loss or imbalance. An Input Phase Loss "lin" fault will occur when the DC bus ripple exceeds a pre-defined level. One (or more) of the input ...

Cause : Undervoltage comes when DC link voltage undervoltage comes when the power unit has detected an undervoltage condition in the DC link. lu fault in fuji FRENIC MEGA drive indicates Undervoltage ...

Cause : Over voltage in constant speed comes when the inverter's internal main circuit DC voltage to reach or exceed the specified value. 0u3 fault in fuji FRENIC MEGA drive indicates Over voltage in ...

Cause : Over voltage in deceleration comes when the drive internal main circuit DC voltage to reach or exceed the specified value. 0u2 fault in fuji FRENIC MEGA drive indicates Over voltage in deceler...

Cause : Over Voltage in Acceleration comes when the inverter's internal main circuit DC voltage to reach or exceed the specified value, the protection circuit is activated to stop the inverter output....

Cause: Overvoltage fault comes when the DC bus voltage has exceeded the drive's maximum limit. This is a protective shutdown to prevent damage to internal components due to excessive voltage on the DC...

Cause: Ground fault comes when electricity intended to flow through the motor windings or cables finds an unintended path to ground. ef fault in fuji FRENIC MEGA drive indicates Ground fault. This mea...

Cause : Overcurrent trip during constant speed comes when the abrupt fluctuations in the load or abnormal load conditions. The inverter output current exceeds the rated current during constant-speed o...

Cause : Over current in Deceleration comes when deceleration time too short, large load inertia or inverter power rating too small. 0c2 fault in fuji FRENIC MEGA drive indicates Over current in Decele...

Cause: Overcurrent occurred during acceleration comes when the drive detected that the motor was drawing too much current while it was trying to ramp up to its set speed. 0c1 fault in fuji FRENIC MEGA...

Cause: Instantaneous overcurrent comes when the drive has detected an overcurrent condition that exceeded its threshold instantaneously — typically within a very short time like a few microseconds. 0c...

HC fault in inovance IS580 drive indicates that the wire between drive board and control board is in poor contact or hardware issue in drive power card or control card. The motor or motor cable is sh...