Omron XTRADRIVE User Manual

XtraDrive User Manual Chapter 9 : Inspection, Maintenance, and Troubleshooting
9-12
! A.74: Overload of Surge Current Limit Resistor
Display and Outputs
Alarm Outputs
Alarm Code Output
ALO1 ALO2 ALO3
ALM Output
ON ON ON OFF
Note: OFF: Output transistor is OFF (alarm state).
ON: Output transistor is ON.
Status and Remedy for Alarm
When the circuit
power is turned
ON or OFF
At power ON.
A
B
Cause of the Problem Solution
A
Frequently turning the main
circuit power ON/OFF.
Do not repeatedly turn
ON/OFF the main circuit
power.
B Defective circuit board (1PWB). Replace servo amplifier.
! A.7A: Heat Sink Overheated
Heat sink temperature exceeds 100°C.
Display and Outputs
Alarm Outputs
Alarm Code Output
ALO1 ALO2 ALO3
ALM Output
ON ON ON OFF
Note: OFF: Output transistor is OFF (alarm state).
ON: Output transistor is ON.
Status and Remedy for Alarm
During servomotor
operation.
When control power
is turned ON.
A, B
C, D
E
Cause of the Problem Solution
A
The ambient temperature of the servo
amplifier exceeds 55°C.
Alter conditions so that the
ambient temperature goes below
55°C.
B
Inadequate air flow around the heat
sink .
Provide sufficient space as
specified.
C Fan stopped. Replace servo amplifier.
D
Servo amplifier is operating under
overload.
Reduce load.
E Defective servo amplifier. Replace servo amplifier.
Note: Larger servo amplifiers (1.5kW., or larger) will display alarm A.10 if the heat sink overheats.

Omron XTRADRIVE Specifications

General

Brand	Omron
Model	XTRADRIVE
Category	Computer Hardware
Language	English