Fault codes for Powerflex 525

Allen-Bradley is a company that manufactures a variety of different types of industrial and commercial products. Powerflex 525 AC drivers are used in a variety of different kinds of applications. Powerflex 525 AC drivers are a product produced by Allen-Bradley.

But AC drivers can cause a variety of problems, and error codes are not something that should be ignored. AC drivers frequently display error codes that indicate that something is wrong with the drive. These errors can cause a wide variety of problems. If an error code is displayed on a Powerflex 525 AC driver, this article provides information about some of the most common error codes and how to deal with them.

F007 Motor Overload

Electrical overload trip is caused by the overloading of the internal circuitry. An excessive motor load is being generated by the AC drive. Turn the AC driver off. Reduce drive load so that it does not exceed the current limit set in the parameter P033 [Motor OL Current]. Check all of the A530 [Boost Select] settings.

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F013 Ground Fault

At one or more of the output terminals, a path to earth ground has been detected. If that is the case, replace the drive and check the ground contacts. Check that the motor and the electrical connection to the drive output terminals are grounded.

F042 Phase UW Short

Check that the power supply wires are not connected in a short manner. Check the motor and drive output terminals for a short circuit.

F070 Power Unit

Cycle power if necessary. If the problem persists, replace the drive. Check that the power unit has not reached its maximum temperature. If the power unit does not reach its maximum temperature, install a new power unit. Cycle power. If there is no input for safety, verify the output. Replace drive if error code is not removed.

F111 Safety Hardware

Safety inputs enable some types of hardware malfunction to occur. The driver does not enable one of the safety inputs that it should be enabled for. Check whether or not the safety output signals are enabled. If it is not possible to enable safety, check and tighten the jumpers for I/O terminals S1, S2 and S+. Replace control module if failure cannot be resolved.

Disconnect the power supply and clean the drive of any loose components using compressed air. If the Powerflex drive is soaked in oil or other greasy liquid, it should be sent to a lubrication center for repair.

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Over time, and after use, cables will eventually be completely worn out due to physical damage and contamination. If you haven’t swapped out the cables in a while, get a new one and try to connect it again.

When there are frequent power supply voltage transients, the system memory could be leaking out and errors could occur when the parameters change. It’s very common for drivers to cause problems with power supply drivers. Back up the parameters using the HIM and then reset the drive to factory defaults. Then try restoring the appropriate settings.

It is very dangerous to overheat electronic circuitry. Providing good ventilation requires that the fans be clean and free of any obstructions.

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