Troubleshooting AC Servo Drives

The video below describes the troubleshooting of AC servo drives. This video goes through visual checks and static checks of the AC servo units. These procedures are applicable to all types of servo drives. Visual Checks It is important to make sure that visually nothing appears burnt or broken. The smell is also important. If…

Okuma BLII-D50A AC Servo Drive Repair

When most people think about getting their industrial equipment repaired, they think of headaches. From frustrating online searches, unanswered quote requests, to unreasonably high quotes, super long lead times, and the list goes on. Almost seems like its best to just scrap it and buy new, right? This is what our customers share about their…

Yaskawa AC Servo Motors

Today we are taking a quick look at Yaskawa AC servo motors. Specifically, we will be reviewing the USAM, USAF, USAS, and USAD series of motors. These flange mounted, permanent magnet servos are direct drive motors intended for use with the Yaskawa CACR-SR servo packs. Similar to the Yaskawa servo drives, the model number of…

How to Reset 15-Bit Absolute Encoder for Yaskawa Sigma 1 Drives (Method 1)

Method 1 Click for Method 2 here Resetting alarms and troubleshooting your equipment can sometimes be a huge challenge and are not always an intuitive task. At Precision Zone, we offer free technical support for Yaskawa spindle and servo drives as well as all other industrial electronic equipment that you might be having issues with….

Mitsubishi MR-S11 & MR-S12 Servo Drives

Today we are going to discuss the Mitsubishi MR-S11/S12 Servo Drives as well as their typical failures. Below we list common alarm codes associated with these servo drives from Mitsubishi and a few troubleshooting steps you can take. Remember, it is very important that you maintain proper safety while troubleshooting your CNC Equipment. If you…

Quick Movements with G01

To make a rapid movement with the axis at its top speed, programmers are taught to use G00. But can a G01 command actually be faster in some cases? Turns out the answer is yes! When making short movements (under about an inch or so), the machine will never reach its rapid rate. There are…

Yaskawa CIMR-VM3 Series AC Spindle Drive Alarm Codes

In this video, we discuss common alarms and failures with a VM3 spindle drive, as well as share our tips to help you troubleshoot them. We also discuss common causes of these failures such as: F-000: Winding Selection Contactor Failure –  A faulty contactor (HV-75APx(S), HV-150APx(S), or HV-200APx(S)) [x denotes revision of the contactor with…

Safety While Troubleshooting

When it comes to troubleshooting problems on-site, safety is of the utmost importance. Not only should proper testing equipment be used while diagnosing and performing preventative maintenance, but proper safety equipment should always be worn by the person performing the troubleshooting. There are countless precautions that can be taken to drastically increase the safety of…

Okuma VAC-III Spindle Drives

Drive Overview The Okuma VAC-III Spindle Drives are among the most popular conventional spindle drive units. With 3 powerful models, the VAC-III comes in a 6kW, 11kW and 22kW capacity. The VAC-III boasts quick, clean control signal communication through its fiber-optic connection to the NC.  This fiber-optic connection allows for faster transmission of data and…

Yaskawa VS-626M5 Spindle Drive

Yaskawa VS-626M5 spindle drive is one of the most innovative products available from Yaskawa. It consists of two components: the VS-626M5 inverter (M5) and the VS-626MR5 converter (MR5). The MR5 rectifies incoming AC voltage into DC voltage, while the M5 inverter outputs the simulated AC signal sent to the motor by means of pulse width…

Essential Machine Shop Tools

Every minute counts when your machine is down. With the right set of essential machine shop tools, you can perform a basic level of troubleshooting to help your repair specialist investigate the issues. Finding exactly where the issues are can significantly reduce the machine downtime. We offer you our list of the most essential machine…

The Value of Repair vs. Buying New

What’s your decision-making process when your equipment breaks? Do you automatically think “time for a new motor” and hope cost isn’t prohibitive? Realistically, you actually have several options: buying new equipment, repairing current equipment, or buying functioning refurbished equipment. We want to address the choice between buying new vs. repairing old. It might be surprising…