NOTICE: We will be closed for company holidays on December 24 and 31, 2025, as well as on January 2, 2026.
The Okuma VAC-Drive Unit Type A D8-A was sent to us by the customer with a clearly documented history. The unit had already been repaired by a third-party service provider, but after a short period of operation it failed again. In total, the customer ...
The Yaskawa AC servo motor SGMGH-05K5A-SE11 was delivered to us together with the associated servo drive SGDK-050505AEA-V for analysis. The customer reported an intermittent encoder fault but was not certain whether the root cause was located in the m...
The Okuma Servo Drive MIV0404A-1-B5 arrived at our facility with alarm AL 03 and the machine message FB 1156 13 indicating an unstable DC bus voltage of the Z axis. The machine had stopped immediately after power up and could not be returned to operat...
Initial Situation and Customer Report.
When the Yaskawa SGDS-15A12A Servopack arrived at our facility the customer reported recurring disturbances on one of his axes. During operation alarm A.810 appeared which indicates a problem in the encoder co...
Repair of a Yaskawa DR2-01AC Servopack with Alarm A.31 Complete Workshop Report.
The DR2-01AC Servopack arrived at our facility with a clear customer complaint: “Whenever the motor is supposed to start, Alarm A.31 appears immediately.” Accordi...
When the SGDS-08A01A arrived at our facility the failure was already clearly described. The customer reported that the unit triggered alarm A.030 immediately after power on. In practice, this alarm points to a malfunction in the main circuit detection...
The customer contacted us in an urgent production situation. A machine that plays an important role for special orders began to fail sporadically. The SGDB-02VN servopack reported A.10 Overcurrent, but not consistently. Production was interrupted and ...
When the Servopack CACR SR03SB1BFY199 arrived at our workshop the customer’s description was short and to the point. After a weekend shutdown the machine would not start again, as soon as the control was powered up a fault appeared at the servo driv...
The initial situation seemed unspectacular but quickly developed into a significant machine downtime for the customer. In his spare parts inventory there was a used Mitsubishi HC102T-SZ which had been purchased two years earlier from an online seller ...
When the SGMGH-09DCA6F-OY arrived at our facility, the customer’s initial description was quite general. The motor still started but produced loud grinding noises. During the first manual rotation check it immediately became clear that the bearings ...