YASKAWA SIGMA-7 Series User Manual

This chapter provides information on the meaning of,
causes of, and corrections for alarms and warnings.
6.1 Alarm Displays . . . . . . . . . . . . . . . . . . . . . . 6-2
6.1.1 List of Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6.1.2 Troubleshooting Alarms . . . . . . . . . . . . . . . . . . . . 6-7
6.2 Warning Displays . . . . . . . . . . . . . . . . . . . . 6-36
6.2.1 List of Warnings . . . . . . . . . . . . . . . . . . . . . . . . 6-36
6.2.2 Troubleshooting Warnings . . . . . . . . . . . . . . . . . 6-39
6.3 Troubleshooting Based on the Operation and Conditions of the Servomotor . .6-46
Maintenance
6

YASKAWA SIGMA-7 Series Specifications

General

Encoder Resolution	24-bit absolute encoder
Pollution Degree	2
Cooling Method	Natural cooling or forced air cooling
Control Method	Vector control
Communication Protocols	EtherCAT, MECHATROLINK-III
Input Voltage	AC 200 V, AC 400 V
Rated Output	Varies by model
Safety Function	STO (Safe Torque Off), SS1 (Safe Stop 1), SS2 (Safe Stop 2), SLS (Safely Limited Speed), SBC (Safe Brake Control)
Power Supply Voltage	AC 200 V, AC 400 V
Rated Output Current	Varies by model
Protection Functions	Overload, overvoltage, undervoltage, overheat, short circuit
Operating Temperature	0°C to 55°C
Storage Temperature	-20°C to 65°C
Vibration Resistance	5.9 m/s² at 10 Hz to 55 Hz
Ambient Humidity	5% to 95% RH (non-condensing)
Altitude	Up to 1000 m
Installation	Panel mounted