Sanyo Denki Sanmotion R 3E S, Instruction Manual, Page: 344 / 514

8. Maintenance
8-11
■
Alarm code 22 (Current Detection Error 0)

Corrective actions
■
Alarm code 23 (Current Detection Error 1)
■
Alarm code 24 (Current Detection Error 2)
 Corrective actions
■
Alarm code 25 (Safe Torque Off error 1)
 Corrective actions
Status at the time of alarm
Cause
1 2
Issued at input of servo ON.
✔ ✔
Cause Investigation and corrective actions
1
■
Defect in internal circuit of servo
amplifier.
■
Replace the servo amplifier.
2
■
Servo amplifier and motor are not
combined properly.
■
Check that the servo motor is fit to
the motor code, if not, change
motor correctly.
Status at the time of alarm
Cause
1 2
Issued during operation. ✔ ✔
Cause Investigation and corrective actions
1
■
Defect in internal circuit of servo
amplifier.
■
Replace the servo amplifier.
2
■
Malfunction due to noise.
■
Confirm proper grounding of the
amplifier.
■
Add ferrite core or similar
countermeasures to against noise.
Status at the time of alarm
Cause
1 2
Occurred in about 10 sec. after control power
turned on.
✔ ✔
Occurred during operation.
✔
Cause Investigation and corrective actions
1
■
Discrepancy of the input logic level
between /HWGOFF1
and /HWGOFF2.
■
Match the input logic level of
/HWGOFF1 and /HWGOFF2.
■
Check the wiring of both the
HWGOFF1 and /HWGOFF2
signals, and correct the wiring if
needed.
■
After switching the logic level of
either /HWGOFF1 or /HWGOFF2
signal, make sure to switch the
logic of the other signal also within
10 seconds.
2
■
Defect in internal circuit of servo
amplifier.
■
Replace the servo amplifier.