Repair for Yaskawa CACR-PR03AA4

Servopack

ID: 4738

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Repair	€ 1,000.00
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Servo Drive

Introduction

The Yaskawa SGDH-A5AE Servopack is a compact servo amplifier of the Sigma-II series for very small 200 V servo drives. With an output power of 0.05 kW, this model is ideally suited for high-precision positioning tasks, fine handling axes, laboratory automation, and compact special machines. Proven Yaskawa technology ensures stable control and high reliability in continuous operation.

Overview

Device category: AC Servo Amplifier (Servopack)
Series/Class: Sigma-II, 200-V class
Power class: 0.05 kW
Design: very compact, service-friendly, IP1X

Model Designation

SGDH = Yaskawa Σ-II Servopack
A5 = Power level 0.05 kW
A = 200-V class
E = Analog/Digital Interface

Technical Data

Feature	Value
Manufacturer	Yaskawa Electric Corporation
Input voltage	1 Ph 200–230 V AC, 50/60 Hz
Input current	1.1 A
Output voltage	3 Ph 0–230 V AC
Output current	0.64 A
Output power	0.05 kW (0.07 hp)
Ambient temperature	0–55 °C
Cooling	Convection cooling
Protection class	IP1X
Weight / Dimensions	n. a.

Connections & Interfaces

L / N – 1-Phase mains input 200–230 V
U / V / W – Motor outputs
CN1 – I/O control connection (24 V DC)
CN2 – Encoder connection
CN3 – RS-232C / Setup (SigmaWin+)
LED Display – Status and error codes

Control Board / Modules

(Board types not known – described neutrally)

Control Board / Modules

Module	Description	Quantity
Control Board	Control, logic, and communication	1
Power Board	Motor output stage for low power	1
Capacitor/Auxiliary Board	DC link buffering	1
Power Section	Compact power section with heat sink	1

Alarms & Troubleshooting (10 most important)

Code	Designation	Typical Finding	Check	Remedy
A.02	Parameter Breakdown	EEPROM faulty	Initialize (Fn005)	Reset parameters
A.10	Overcurrent / Overheat	Overcurrent / Overtemperature	Check motor & U/V/W	Check power section
A.30	Regeneration Error	Error in regeneration path	Check internal circuitry	Replace drive
A.32	Regenerative Overload	Regeneration overloaded	Check load profile	Reduce load
A.40	Overvoltage	DC link too high	Measure mains voltage	Check supply
A.41	Undervoltage	Input too low	Measure mains	Stabilize supply
A.51	Overspeed	Encoder/Phase error	Check encoder cable	Correct
A.71	Overload 1	Short-term overload	Check motor current	Check mechanics
A.83	Encoder Battery Low	Battery weak	Measure voltage	Replace battery
A.C9	Encoder Comm Error	Encoder communication disturbed	Cable / Shielding	Replace cable

Typical Applications

Fine positioning axes
Laboratory and testing automation
Pick-and-place systems
Compact special machines
Light handling and assembly axes

Service Notes

Keep ventilation openings clean
Secure parameters before service
No insulation measurement (Megger) when installed
Regularly check encoder and motor cables
Monitor capacitors due to aging

Repair Description

Input check: Visual inspection, measurement of mains and DC link, short circuit test
Disassembly & Cleaning: Open housing, clean boards, replace thermal paste
Analysis: Checking the power section, gate drivers, capacitors, and control logic
Repair: Replacement of defective components, rework of solder joints
Testing & Load Test: Test run with reference motor, monitoring of current and temperature
Long-term test & Conclusion: Continuous run test and documentation of measurement results