FAL fault in Emotron VSB Drive

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FAL fault indicates Module protection. This means the inverter's internal hardware protection for the power module has been triggered due to abnormal operating conditions. Possible Causes: 1: Output short circuit (phase-to-phase short circuit or output ground short circuit). 2: Fan damaged or air duct blocked. 3: Direct connection of inverter module. 4: Switching power supply damaged. 5: Control board abnormal. 6: Ambient temperature is too high. 7: Loose connection of control board. 8: Overvoltage or overcurrent. Solutions: 1: Check motor connection and output ground impedance. 2: Clear the air duct or replace the fan. 3: Seek services. 4: Seek services. 5: Seek services. 6: Reduce ambient temperature. 7: Pull out and reinsert the cables of control board. 8: Handle it with the solutions of overvoltage or overcurrent.

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