YASKAWA A1000 Series User Manual

oPE20
PG-F3 Setting Error
The encoder signal frequency is too high.
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Causes and Possible Solutions for a Blank and Unresponsive Digital Operator
Table 5.5 Causes and Possible Solutions for a Blank and Unresponsive Digital Operator
Cause Possible Solutions
A short circuit between +V, -V, and AC terminals. Correct wiring
Control circuit terminal overload.
Check the resistance and wiring for the frequency setting potentiometer, etc.
Check that the current for terminals +V and -V is 20 mA or less.
The short circuit bar between terminals +1 and +2 in the main circuit has
been removed.
Attach the short circuit bar.
Braking unit terminals P and N are connected in reverse.
• Check
the Braking unit wiring including cables connected to the Braking
unit and relay terminals.
• Replace the drive.
Control power circuit failure
Charge indicator is lit:
• Replace the digital operator
• Replace the drive control board.
Charge indicator is not lit:
• Check the input power supply voltage
• Replace the drive.
Malfunction occurred in the control power circuit. Turn OFF the power, wait for 5 minutes, then turn ON the power again.
Digital operator contact failure
Turn OFF the power, remove the digital operator, then replace the digital
operator.
5.4 Operator Programming Errors
204
YASKAWA ELECTRIC TOEP C710616 41G YASKAWA AC Drive - A1000 Quick Start Guide

YASKAWA A1000 Series Specifications

General

Series	A1000
Type	AC Drive
Altitude	Up to 1000m without derating
Output Frequency	0-400 Hz
Control Method	V/f Control
Overload Capacity	150% for 60 seconds
Communication Options	Modbus, DeviceNet, Profibus, Ethernet/IP
Ambient Temperature	-10 to 50°C
Storage Temperature	-20 to 60°C
Humidity	5% to 95% (non-condensing)
Enclosure Rating	IP20
Horsepower	0.5 to 1000 HP
Power Range	0.4 - 630 kW (varies by voltage and model)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat
Cooling Method	Fan Cooled
Safety	Safe Torque Off (STO)