Yaskawa · Motion & Speed Controllers
Yaskawa SGM-08U3B4L repair
Component-level repair for the Yaskawa SGM-08U3B4L (ac servo motor), onsite or sent in from anywhere in India. The diagnosis and repair cost are confirmed before any work starts.
Cost confirmed before any work starts · Warranty of 30 days to 6 months
At a glance
The Yaskawa SGM-08U3B4L
- Manufacturer
- Yaskawa
- Model / part number
- SGM-08U3B4L
- Also searched as
- SGM08U3B4L · SGM 08U3B4L
- Description
- AC servo motor
- Category
- Motion & Speed Controllers
- Service
- Diagnosis and component-level repair, onsite or ship-in
- Warranty
- 30 days to 6 months, confirmed before work starts
Yaskawa makes AC drives, Sigma-series servo amplifiers and motors, motion controllers and robot controllers, found widely on machine tools, packaging and handling equipment.
Common faults
What usually fails on a unit like the SGM-08U3B4L
Motion controllers, regulators and machine-specific drive cards coordinate speed, position or current. Faults appear as wrong movement, trips or loss of control, and the card is usually repairable at component level.
Loss of control or wrong speed
Faults in feedback inputs, reference signals or the control loop on the card.
Card dead or resetting
On-board supply faults and failed processors or memory.
Communication faults
Lost connection with the PLC, drives or the operator panel.
Output stage faults
Failed drivers for valves, contactors or power stages.
Crane and hoist control faults
Radio remote, interlock and speed-control faults on cranes and hoists.
Motor
Motors are checked for winding insulation, bearings and feedback, and run after repair. If it carries an encoder, the encoder is checked for correct signals and alignment.
First checks
What to check before calling an engineer
Isolate and lock out the supply, and wait for stored energy to discharge, before opening anything.
Safe for plant staff
- Note LEDs, alarm codes and when the fault occurs.
- Check reference and feedback wiring.
- Check the card's supply voltage.
Leave to a specialist
- Component-level repair and testing.
- Setting and tuning control loops.
- Work on crane and hoist safety circuits.
Getting it fixed
How to get the SGM-08U3B4L repaired
What to send with it
- The card or controller, with any plug-in modules.
- The machine it comes from and the fault seen.
- Its settings or jumper positions, photographed before removal.
Onsite or ship-in
Technicians work onsite from our Hyderabad base and travel to plants across India; anything that can be removed can also be sent to MachineryFix from anywhere in the country.
Warranty. Repairs carry a warranty of 30 days to 6 months, depending on the item and the repair; the exact term is confirmed before work starts.
FAQ
SGM-08U3B4L repair questions
Can the Yaskawa SGM-08U3B4L be repaired without drawings?+
In most cases. Boards are traced and repaired at component level and tested with their inputs and outputs simulated.
Does the Yaskawa SGM-08U3B4L have to be sent in, or can an engineer come to the plant?+
Either. An engineer can diagnose it in place and repair it there or take it away, or the unit can be sent to MachineryFix from anywhere in India. The diagnosis and repair cost are confirmed before any work starts.
Is MachineryFix connected to Yaskawa?+
No. Yaskawa and the model name are used only to identify the equipment. MachineryFix is an independent repair service and is not affiliated with or endorsed by Yaskawa.
Same manufacturer
Other Yaskawa Motion & Speed Controllers
Other manufacturers
Motion & Speed Controllers from other makers
Yaskawa and SGM-08U3B4L are named only to identify the equipment. MachineryFix is not affiliated with or endorsed by Yaskawa.
SGM-08U3B4L down?
Send the fault and what the machine was doing. We'll match an engineer who works on it.