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Cause: Replace fan comes when the cooling fan’s runtime counter has reached its maximum (pre-set) running hours — ABB recommends replacing the fan to avoid overheating and failure. acs800 replace fan ...

Cause: Input Phase Loss comes when the drive detects a significant imbalance or complete loss of one or more of the incoming AC power phases, it will trip and display this fault. powerflex 753 input p...

Cause: Overcurrent comes when the drive's output current suddenly exceeds its internal trip limit. The motor is drawing too much current due to a heavy load, mechanical jam, or stall. abb acs580 fault...

Cause: Auto Restart Tries comes when drive unsuccessfully attempted to reset a fault and resume running for the programmed number of A092 [Auto Rstrt Tries]. powerflex 40 f033 indicates Auto Restart T...

Cause: Terminal board is not properly connected comes when the control terminal board on the drive is not correctly plugged in. cpf25 in yaskawa drive indicates Terminal board is not properly connecte...

Cause: Terminal board is not properly connected comes when the control terminal board on the drive is not correctly plugged in. cpf25 yaskawa v1000 indicates Terminal board is not properly connected. ...

Cause: Motor phase U missing comes when the drive has detected an interruption or absence of voltage on the U-phase connection between the frequency converter and the motor. danfoss al30 alarm indicat...

Cause: Power module temperature comes when the temperature of the power module within the danfoss drive is approaching its limit. power module temp a29 indicates power module temperature alarm. This m...

Cause: DC Overvoltage comes when the voltage in the intermediate DC circuit of the drive has exceeded its permissible limit. This usually occurs when the drive has absorbed too much regenerative energ...

Cause : Shutdown path must be tested comes when the time set in p9659 for the forced checking procedure of the safety shutdown paths has been exceeded. a1699 siemens indicates Shutdown path must be te...

Cause : Line phase failure in main circuit comes when the drive detects an issue with the AC line input, specifically when one or more of the phases is missing or has a voltage outside the acceptable ...

Cause : Fieldbus interface setpoint timeout comes when the reception of setpoints from the fieldbus interface has been interrupted. sinamics f01910 indicates a "Fieldbus interface setpoint timeout". T...

Cause: Ground Fault comes when the drive has detected an issue where current is leaking to the ground. This could be caused by either a short to ground in the motor or cables, or an internal fault wit...

Cause: Overvoltage comes when drive detected that the DC link voltage exceeded the allowed maximum value, which typically happens during rapid deceleration or other conditions where the motor is gener...

Megger is a term closely associated with electrical testing and measurement equipment, particularly known for insulation resistance testers (also called megohmmeters or "meggers"). Meggar Purpose: An...