Omron R88D-GT series User Manual

8-4
8-2 Alarm Table
8
Troubleshooting
 Alarms
Alarm
code
Error detection function Detection details and cause of error
Alarm reset
possible
11 Control power supply undervoltage
The DC voltage of the main circuit fell
below the specified value.
Yes
12 Overvoltage
The DC voltage in the main circuit is
abnormally high.
Yes
13 Main power supply undervoltage The DC voltage of the main circuit is low. Yes
14 Overcurrent
Overcurrent flowed to the IGBT.
Servomotor power line ground fault or
short circuit.
No
15 Servo Drive overheating
The temperature of the Servo Drive
radiator exceeded the specified value.
No
16 Overload
Operation was performed with torque
significantly exceeding the rating for
several seconds to several tens of
seconds.
Yes
18 Regeneration overload
The regeneration energy exceeds the
processing capacity of the regeneration
resistor.
No
21 Encoder communications error The encoder wiring is disconnected. No
23 Encoder communications data error
Communications cannot be performed
between the Encoder and the Servo
Drive.
No
24 Deviation counter overflow
The number of accumulated pulses in the
deviation counter exceeded the setting for
the Deviation Counter Overflow Level
(Pn70).
Yes
26 Overspeed
The Servomotor exceeded the maximum
number of rotations.
Yes
27 Electronic gear setting error
The setting for the electronic gear ratio
(Pn48 to 4B) is not appropriate.
Yes
34 Overrun limit error
The Servomotor exceeded the allowable
operating range set in the Overrun Limit
Setting (Pn26) with respect to the position
command input.
Yes
36 Parameter error
Data in the parameter save area was
corrupted when the power supply was
turned ON and data was read from the
EEPROM.
No
37 Parameter corruption
The checksum for the data read from the
EEPROM when the power supply was
turned ON does not match.
No
38 Drive prohibit input error
The forward drive prohibit and reverse
drive prohibit inputs are both turned OFF.
Yes
39 Excessive analog input 1
A voltage exceeding the Speed
Command/ Torque Command Input
Overflow Level Setting (Pn71) was
applied to the Speed Command Input
(REF: CN1 pin 14).
Yes
40
Absolute encoder system
down error
The voltage supplied to the absolute
encoder is lower than the specified value.
Yes
41
Absolute encoder counter
overflow error
The multi-turn counter of the absolute
encoder exceeds the specified value.
No
ABS
ABS

Omron R88D-GT series Specifications

General

Brand	Omron
Model	R88D-GT series
Category	Controller
Language	English