Initial situation and fault pattern.
A Mitsubishi AC servo motor HF-SP2024JKW04, operated on a Mitsubishi MDS-DH-V2-1010 drive, was delivered for inspection. During operation, a communication alarm occurred repeatedly. The fault pattern was not per...
Initial situation and fault pattern.
In this repair case, a Yaskawa AC Servopack SGDB-44ADG was received. The unit displayed alarm A.40 after the axis enable was activated. According to the customer’s description, the fault occurred directly when...
Initial situation and fault pattern
In this repair case, a Yaskawa AC Spindle Motor UAASKB-11LYA11 with encoder UTMSI-10AAGAZA was delivered to our workshop. According to the customer, problems had occurred in the spindle drive. In addition, it was...
Initial Situation and Fault Pattern.
A sporadic alarm A.b1 occurred on an older CNC milling machine. The fault was irregular and therefore particularly critical from a diagnostic perspective. At first, a cable problem in the drag chain was suspecte...
No English translation available...
Initial situation and fault pattern.
The AC servo motor SGMP-02AWYR12 arrived from a Yaskawa robot in which the holding brake operates very frequently. The operator noticed that the axis no longer holds cleanly and motion became unstable. Shortly a...
Initial situation and fault pattern.
A Mitsubishi MR-S12-80B-Z33 servo drive from a 2 axis application with L axis and M axis was delivered. The fault occurred reproducibly directly on enable. As soon as Servo ON was commanded, alarm A.17 appeared ...
Initial situation and fault symptom.
A Mitsubishi Servo Drive Unit MDS-DH2-V2-8080 from a CNC drive environment was delivered. During the functional test, the unit showed no expected response. The front LED display appeared frozen, without a plausi...
Initial situation and fault symptoms
The examined servo motor is a Yaskawa AC servo motor from the SGMM series with the model designation SGMM-B5SF13. A position feedback device type UTOPI-20ANS encoder is installed in this motor. The motor operate...
Initial situation and fault symptoms.
The servo drive Sanmei QT-002AXE-ST was received in the workshop from a CNC Swiss-type lathe machine. These drives are frequently used in Star machines and control feed axes or auxiliary functions.
The opera...