Fuji Electric Faldic-a RYS-R Series - Overcurrent, Output Overcurrent; Encoder Trouble; Circuit Trouble, Amplifier Trouble; Data Error, Memory Error

MHT260a (Engl.)9-12
(iii) Data error, memory error
• Keypad panel display
!!!
• Contents of alarm
Contents of the non-volatile storage memory mounted on the amplifier are destroyed.
• Cause, check and remedy
If an alarm appeared immediately after turning on power, contact us.
(iv) Circuit trouble, amplifier trouble
• Keypad panel display
!!!
• Contents of alarm
The control power supply circuit mounted on the amplifier is abnormal.
• Cause, check and remedy
If an alarm appeared immediately after turning on power, contact us.
(v) Encoder trouble
• Keypad panel display
!!!
• Contents of alarm
The 16-bit serial encoder attached to the motor may be broken.
• Cause, check and remedy
If an alarm appeared immediately after turning on power, contact us.
(vi) Overcurrent, output overcurrent
• Keypad panel display
!!!
• Contents of alarm
The output current from the amplifier to the motor exceeded a specified value.
• Cause, check and remedy
The power wiring to the motor may be short-circuited or grounded.
As a general rule, minimum insulation resistance between motor terminals and grounding (earth) terminal (symbol “E” or “ “) is about
1 [M"].
The motor winding resistance value between each phase is as same.