Drives-AC Spindle Yaskawa CIMR-M5 MR5 | Repairs Precision Zone

Our Team Expertly Repairs Yaskawa AC Drive CIMR-M5 and MR5 Series

Precision Zone specializes in Yaskawa product repairs servicing a wide range of AC Servo and Spindle series such as Yaskawa CIMR-M5 and MR5 Series Drives

The VS-626M5 and MR5 are a highly reliable AC vector controlled inverter drive designed for controlling high speed, compact AC motors used in machine tool spindle drive applications. Vector controlled technology through the use of a digital signal processor for speed, torque, and current control allows for minimum speed and torque variations during cutting.

This impacts accuracy and surface finish of precision parts. 100% back-to-line power regeneration provides quick spindle deceleration times not limited by the ohmic value of externally mounted regeneration resistors. This allows for faster tool changes and increased machine productivity.

When assessing the functionality of a drive, our engineering team typically conducts a four-step check:

Visual Overview Check
Static Test
Checks Under Power
Alarm Codes Verification

This overview is Precision Zone’s basic troubleshooting process. Once our repair team starts on the job we use specialized, customized test fixtures, Huntron tracker, signal generator, oscilloscope, milli and mega ohm meters and other necessary tools to assure quality repair. Most importantly, every repair is fully tested in custom-built simulators under load to replicate real-life working environment. Precision Zone goes as far as using heat chamber and overnight dynamic testing to guarantee performance of the repaired product when it comes back to the customer.

REPAIR PROCESS FOR CIMR-M5-MR5 SERIES SERVOPACKS

Visual Overview Check

When conducting a visual check, the technician inspects the drive for any mechanical damage to the drive and print circuit boards. Then the team proceeds to verify connections are tight and correct inside the drive and there are no loose screws, wires or particles. Additionally, we look for any burn marks anywhere on the components or chassis. During the visual inspection technical team notes excessive dirt on cooling components and records clogged heatsink.

Static Test Basic

Precision Zone repair technicians use digital multimeter with diode testing capabilities and resistance measurement to conduct a static test. In the instance of Diode testing, our team is looking to check input and output modules.

Input Modules Testing

Multimeter Positive Lead	L1 L2 L3
Multimeter Negative Lead	Positive Side of the DC Buss
Diode Check	Approximately 0.36 V

Multimeter Positive Lead	Negative Side of the DC Buss
Multimeter Negative Lead	L1 L2 L3
Diode Check	Approximately 0.36 V for each phase

Output Modules Testing

Multimeter Positive Lead	U V W
Multimeter Negative Lead	Positive Side of the DC Buss
Diode Check	Approximately 0.33 V for each phase

Multimeter Positive Lead	Negative Side of the DC Buss
Multimeter Negative Lead	U V W
Diode Check	Approximately 0.32 V for each phase

We verify capacitor value using capacitor meter and examine functionality of circuit breakers and contactors in the drive.

Alarm Codes Troubleshooting

The alarms on the converter and inverter are displayed through two seven-segment display located on the front panel and also by using a digital operator. There are over 100 alarms that this drive can produce; here are a few of them. The codes displayed are:

Alarm Code	Code Type	Cause
01	Converter Faults	Overcurrent
05	Converter Faults	Overload
11, 12, 13 and 14	Converter Faults	Over/Undervoltage
d2, F0, F1, and F5	Converter Faults	PCB
16	Converter Faults	Initial Charging Fault
01	Inverter Faults	Overcurrent
02	Inverter Faults	Ground Fault
03	Inverter Faults	Encoder Cable Disconnected
05	Inverter Faults	Inverter Output Overload
06 and 07	Inverter Faults	Motor Overloads
11, 12, 13, and 14	Inverter Faults	Over/Under Voltage
20	Inverter Faults	Winding Selection Fault

NOTE: Alarms in the 40’s are temperature and overheat alarms. Alarms in the 70’s are for magnetic sensors.

Most of these alarms can be caused by control board failures so please keep that in mind.

Recently Repaired Products

CIMR-MR5N27P50 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Circuit Board Component(s)
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: NC System
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 7.5kW (10HP)
Enclosure: Open chassis type (with fan)

CIMR-M5A27P50 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Gate Section/Board, Bad Output Transistors/SCRs
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: Stand-alone Drive
Voltage Class: 200V
Max. Applicable Motor Output: 7.5kW (10HP)
Enclosure: Open chassis type (with fan)

CIMR-M5N20150 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Output Transistors/SCRs
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: NC System
Voltage Class: 200V
Max. Applicable Motor Output: 15kW (20HP)
Enclosure: Open chassis type (with fan)

CIMR-MR5A20150 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Cooling Fans, Excessive Dirt/Debris
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: Stand-alone Drive
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 15kW (20HP)
Enclosure: Open chassis type (with fan)

CIMR-M5A20150 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Cooling Fans, Excessive Dirt/Debris
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: Stand-alone Drive
Voltage Class: 200V
Max. Applicable Motor Output: 15kW (20HP)
Enclosure: Open chassis type (with fan)

CIMR-MR5N20180 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Missing parts/components
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: NC System
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 18.5kW (25HP)
Enclosure: Open chassis type (with fan)

CIMR-MR5N20115 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Capacitor(s), Bad Power Section/Board, Leaky Capacitors (Open, Corroded Traces), No Display
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: NC System
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 11.0kW (15HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-MR5N20150 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Output Transistors/SCRs, Bad Fuse
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: NC System
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 15kW (20HP)
Enclosure: Open chassis type (with fan)

CIMR-M5A20110 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Gate Section/Board
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: Stand-alone Drive
Voltage Class: 200V
Max. Applicable Motor Output: 11.0kW (15HP)
Enclosure: Open chassis type (with fan)

CIMR-MR5A27P50 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Circuit Board Component(s)
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: Stand-alone Drive
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 7.5kW (10HP)
Enclosure: Open chassis type (with fan)

CIMR-MR5N20110 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Missing parts/components
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: NC System
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 11.0kW (15HP)
Enclosure: Open chassis type (with fan)

CIMR-M5N20225 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Circuit Board Component(s), Bad Fuse, Bad Gate Section/Board, Bad Output Transistors/SCRs, Bad Power Section/Board, No Display, Physical Damage to the Drive
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: NC System
Voltage Class: 200V
Max. Applicable Motor Output: 22kW (30HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-MR5N40370 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Cooling Fans, Bad Fuse, Bad Gate Section/Board
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: NC System
Voltage Class: 400V (three-phase)
Max. Applicable Motor Output: 37kW (50HP)
Enclosure: Open chassis type (with fan)

CIMR-MR5N20155 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Gate Section/Board
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: NC System
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 15kW (20HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-M5A20220 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Gate Section/Board, Bad Output Transistors/SCRs
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: Stand-alone Drive
Voltage Class: 200V
Max. Applicable Motor Output: 22kW (30HP)
Enclosure: Open chassis type (with fan)

CIMR-MR5N20225 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Gate Section/Board
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: NC System
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 22kW (30HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-M5N27P55 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Gate Section/Board, Parameter/Setting Adjustment
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: NC System
Voltage Class: 200V
Max. Applicable Motor Output: 7.5kW (10HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-MR5A20180 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Power Section/Board, No Display, Bad Gate Section/Board
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: Stand-alone Drive
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 18.5kW (25HP)
Enclosure: Open chassis type (with fan)

CIMR-M5A20305 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Gate Section/Board
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: Stand-alone Drive
Voltage Class: 200V
Max. Applicable Motor Output: 30kW (40HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-M5A20115 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Control Section/Board, Bad Gate Section/Board, Bad Orientation/Encoder Section/Board
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: Stand-alone Drive
Voltage Class: 200V
Max. Applicable Motor Output: 11.0kW (15HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-MR5A20305 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Passed Testing - Highly Recommend Recondition, Excessive Dirt/Debris
Spindle Inverter: CIMR
Series: MR5 Converter
Specification: Stand-alone Drive
Voltage Class: 200V (three-phase)
Max. Applicable Motor Output: 30kW (40HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-M5S20155 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Circuit Board Component(s), Bad Gate Section/Board, Missing parts/components
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: Special IPM Type (Software)
Voltage Class: 200V
Max. Applicable Motor Output: 15kW (20HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-M5N20305 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Control Section/Board, May Require Board Replacement
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: NC System
Voltage Class: 200V
Max. Applicable Motor Output: 30kW (40HP)
Enclosure: Externally cooling type (w/o fan)

CIMR-M5N20180 is an
Drives-AC Spindle manufactured by Yaskawa
Discovered issues: Bad Gate Section/Board, Bad Output Transistors/SCRs
Spindle Inverter: CIMR
Series: M5 Inverter
Specification: NC System
Voltage Class: 200V
Max. Applicable Motor Output: 18.5kW (25HP)
Enclosure: Open chassis type (with fan)