Sanyo Denki Sanmotion R 3E S, Instruction Manual, Page: 351 / 514

8.3 Trouble shooting when alarm activated
8-18
8
Maintenance
■
Alarm Code 55 (External Error)
When host device or thermal output signal of external regenerative resistor are not connected
 Corrective actions
When thermal signal of the external regenerative resistor is connected
 Corrective actions
* When output terminal of upper level device is connected, eliminate the alarm trigger of the host
level device.
Status at the time of alarm
Cause
1 2
Issued when control power is turned ON.
✔ ✔
Cause Investigation and corrective actions
1
■
Validity condition for external trip
function is set to
‘
Valid
’
.
■
When not used, set
"00:_Always_Disable” at Group9
ID40 "External Trip Input Function
[EXT-E]".
2
■
Defect in internal circuit of servo
amplifier.
■
Replace the servo amplifier.
Status at the time of alarm
Cause
1 2 3
Issued when control power is turned ON.
✔ ✔
Issued after operation for some time.
✔ ✔
Cause Investigation and corrective actions
1
■
Improper wiring of external
regenerative resistance.
■
Check the wiring conditions and
correct it if improper.
2
■
External regenerative resistor is
operating.
■
Check the operating conditions.
■
Increase the capacity of the
external regeneration resistor.
3
■
Defect in internal circuit of servo
amplifier.
■
Replace the servo amplifier.