The Siemens F002 fault is a guardian angel, not an enemy. It protects your expensive drive hardware from the destructive power of overvoltage. While it can be alarming, a systematic approach—checking for regeneration, measuring mains voltage, inspecting the braking system, and extending ramp times—will resolve over 95% of occurrences.
The cable connecting the drive to the motor acts as a conduit for potential faults. siemens f002 fault
In this long-form guide, we will dissect the Siemens F002 fault from every angle. We will explore its root causes, provide a step-by-step diagnostic flowchart, offer permanent repair strategies, and answer the most frequently asked questions. By the end of this article, you will not only know how to reset the fault but how to prevent it from recurring. The Siemens F002 fault is a guardian angel, not an enemy
The trip level depends on the supply voltage rating: The cable connecting the drive to the motor
A: The braking resistor is rated for a certain peak power. If the deceleration cycle is too fast or too frequent, the resistor overheats, its resistance increases, and it stops absorbing energy. You need a higher wattage resistor or a larger duty cycle.
| Drive Supply Voltage | DC Link Trip Level (approx.) | |----------------------|------------------------------| | 230V (1-phase) | 410 – 420 V DC | | 400V (3-phase) | 820 – 850 V DC | | 690V (3-phase) | 1100 – 1150 V DC |