YASKAWA CIMR-JC4A0002BAA Quick Start Manual page 134

An external device has tripped an
alarm function.
Wiring is incorrect.
Incorrect setting of multi-function
contact inputs.
LED Operator Display
Err
Cause
-
LED Operator Display
LF
Cause
The output cable is disconnected.
The motor winding is damaged.
The output terminal is loose.
The motor being used is less than
5% of the drive rated current.
An output transistor is damaged.
A single-phase motor is being used. The drive being used cannot operate a single phase motor.
LED Operator Display
oC
Cause
The motor has been damaged due
to overheating or the motor
insulation is damaged.
YASKAWA ELECTRIC TOEP C710606 26B YASKAWA AC Drive – J1000 Quick Start Guide
Remove the cause of the external fault and reset the fault.
• Ensure the signal lines have been connected properly to the terminals assigned
for external fault detection (H1-oo = 20 to 2F).
• Reconnect the signal line.
• Check if the unused terminals set for H1-oo = 20 to 2F (External Fault).
• Change the terminal settings.
EEPROM Write Error
Data does not match the EEPROM being written to.
•
Press the button.
• Correct the parameter settings.
• Cycle power to the drive.
147.
Output Phase Loss
Phase loss on the output side of the drive.
• Check for wiring errors and ensure the output cable is connected properly.
• Correct the wiring.
• Check the resistance between motor lines.
• Replace the motor if the winding is damaged.
• Apply the tightening torque specified in this manual to fasten the terminals.
Refer to Wire Size and Torque Specifications on page
Check the drive and motor capacities.
Replace the drive.
Overcurrent
Drive sensors have detected an output current greater than the specified
overcurrent level.
• Check the insulation resistance.
• Replace the motor.
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5.4 Fault Detection
Fault Name
Possible Solution
Refer to Diagnosing and Resetting Faults on page
Fault Name
Possible Solution
Fault Name
Possible Solution
55.
5
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