Yaskawa Error Code A910 Link Extra Quality Link

Yaskawa drives utilize a mathematical model to simulate the heating of the motor.

Loose connectors at the encoder end or the SERVOPACK end.

If left unaddressed, an A.910 alarm typically escalates into a full-system shutdown (such as an A.710 or A.720 overload fault) to prevent hardware damage.

To reduce the occurrence of A910 link errors, consider the following preventive measures: yaskawa error code a910 link

It serves as a preemptive alert that the motor is approaching a critical overload state (Alarms or A.720 ). If you ignore it and keep running, the drive will eventually trip a full fault to protect the hardware. Common Causes

The keyword "LINK" in A.910 LINK refers to the communication architecture that connects the Yaskawa drive to a higher-level controller, usually via fieldbus. While A.910 itself is an , communication-related errors like A.960 (MECHATROLINK communications warning) and bUS (Option Communication Error) often occur simultaneously or through cascading failures. A common pattern is an unstable communication network causing erratic torque commands, leading to a mechanical overload and triggering A.910 . In such cases, you must:

: Faulty wiring or electromagnetic interference (EMI) on the encoder feedback line introduces tracking jitter, prompting erratic torque spikes. Yaskawa drives utilize a mathematical model to simulate

The A910 link error is a specific fault code displayed on Yaskawa drives, particularly on their VFDs and servo drives. This error code indicates a communication link error between the drive and the controller or other devices connected to the network.

The programmed motion profile strains the physical limits of the hardware. Duty cycles with minimal dwell/rest time. Fast acceleration and deceleration profiles.

Turn off the main power supply and decouple the servomotor shaft from the mechanical load. Turn the motor shaft and the machinery input shaft manually. If the machinery is difficult to rotate, check for alignment issues, inspect the gearbox lubrication, and clear physical blocks. Step 2: Analyze Wiring Integrity To reduce the occurrence of A910 link errors,

The primary function of the A.910 warning is to monitor the continuous root-mean-square (RMS) load of the motor. When the drive detects that the torque requirements have exceeded the continuous rating of the specific motor-drive combination for a sustained period, it throws the A.910 code.

To diagnose and clear the A.910 overload warning safely, execute the following technical checks in order: 1. Isolate the Mechanical Load

If the system frequently hits A.910 during normal operation, your software could suggest a motor capacity audit. You can calculate if the current load/operating conditions are within the motor's rated duty cycle. Troubleshooting Steps for Developers