Sanyo Denki SANMOTION 3E S, Instruction Manual, Page: 326 / 488

8. Maintenance
8-55
- Dedicated to RS3D80# -
■
Alarm Code 62 (Main Circuit Under-voltage)
 DC Main circuit low voltage
 Corrective actions
■
Alarm Code 63 (Main Power Supply phase loss)
 1 phase of the 3 phase main circuit power supply disconnected

Corrective actions
Status at the time of alarm
Cause
1 2 3 4 5
Issued when control power is turned ON.
✔ ✔
Issued when main circuit power supply is
turned ON.
✔ ✔ ✔
Issued during operation. ✔ ✔
Cause Investigation and corrective actions
1
■
Input power supply voltage is below
the specified range.
■
Check the power supply and set it
within the specified range.
2
■
Rectifier of main circuit is broken.
■
Replace the power unit.
3
■
Input power supply voltage is
reduced, or instantaneous power
interruption is occurred.
■
Check the power supply, and confirm
that there is no instantaneous power
interruption or low voltage.
4
■
Low voltage outside of the specified
range is supplied to the main circuit
(R/S/T).
■
Check the main circuit voltage.
Confirm that there is no external
power supply to R/S/T when the main
circuit is OFF.
5
■
Defect in internal circuit of power unit
or amplifier unit.
■
Replace the power unit or amplifier
unit.
Status at the time of alarm
Cause
1 2
Issued when control power is turned ON.
✔
Issued when main circuit power supply is
turned ON
✔ ✔
Issued during operation. ✔ ✔
Cause Investigation and corrective actions
1
■
One of 3 phases (R/S/T) is not
connected.
■
Check the wiring conditions and
correct it if improper.
2
■
Defect in internal circuit of s power
unit or amplifier unit.
■
Replace the power unit or amplifier
unit.