Sanyo Denki Sanmotion R 3E S, Instruction Manual, Page: 349 / 514

8.3 Trouble shooting when alarm activated
8-16
8
Maintenance
■
Alarm Code 52 (In-rush prevention resistance Overheat)

Corrective actions
■
Alarm Code 53 (Dynamic Brake Resistor Overheat)
 Corrective actions
Cause Investigation and corrective actions
1
■
Defect in internal circuit of servo
amplifier.
■
Replace the servo amplifier.
2
■
Power turning ON is repeated too
frequently.
■
Turn ON/OFF the power less
frequently.
3
■
Ambient temperature is high.
■
Confirm temperature in cabinet (or
ambient of the amplifier), then
refine installation method of the
servo amplifier and ventilation of
the cabinet.
Status at the time of alarm
Cause
1 2 3
Issued when control power supply is turned
ON.
✔
Issued when main circuit power supply is
turned ON.
✔
Issued during operation.
✔
Status at the time of alarm
Cause
1 2
Issued when control power supply is turned
ON..
✔
Issued during operation.
✔ ✔
Cause Investigation and corrective actions
1
■
Defect in internal circuit of servo
amplifier.
■
Replace the servo amplifier.
2
■
Dynamic Brake operation is
repeated too frequently.
■
Use the dynamic brake so as not to
exceed the permissive frequency.