10.3 Alarm/Warning Codes and Error Codes for Message Communications
10-29
10
A.7A
Flashes
Red.
−
Overheat
The heat sink of Servo Driver is overheated.
A.81
Flashes
Red.
−
Backup Error
All the power supplies for the absolute encoder
have failed and position data was cleared.
A.82
Flashes
Red.
−
Checksum Error
The checksum results of the absolute encoder
memory are abnormal.
A.83
Flashes
Red.
−
Battery Error
Backup battery voltage for the absolute encoder
has dropped.
A.84
Lit Red.
−
Absolute Error
Data in the encoder is abnormal.
A.85
Flashes
Red.
−
Overspeed Error
The Servomotor was rotating at 200 r/min or
more when the power was turned ON.
A.86
Flashes
Red.
−
Encoder Overheating
The internal temperature of encoder is too high.
A.B1
Flashes
Red.
−
Speed Command Input Reading
Error
The A/D converter for speed command input is
defective.
A.B2
Flashes
Red.
−
Torque Command Input Reading
Error
The A/D converter for torque commad input is
defective.
A.B6
Flashes
Red.
−
Gate Array Error
Communications LSI error.
A.BF
Flashes
Red.
−
System Error
A system error occurred in the Servo Driver.
A.C1
Flashes
Red.
−
Runaway Detected
The Servomotor ran out of control.
A.C6
Flashes
Red.
−
Fully-closed Encoder Phase-A, -B
Disconnection
Phase A or B of the fully-closed encoder was
disconnected.
A.C7
Flashes
Red.
−
Fully-closed Encoder Phase-Z
Disconnection
Phase Z of the fully-closed encoder was discon-
nected.
A.C8
Lit Red.
−
Multi-turn Data Error
The multi-turn for the absolute encoder was not
properly cleared or set.
A.C9
Flashes
Red.
−
Encoder Communications Error
Communications between Servo Driver and
encoder is not possible.
A.CA
Lit Red.
−
Encoder Parameter Error
Encoder parameters are incorrect.
A.CB
Flashes
Red.
−
Encoder Data Error
Contents of communications with encoder are
incorrect.
A.CC
Flashes
Red.
−
Multi-turn Limit Discrepancy
Different multi-turn limits have been set in the
encoder and Servo Driver.
A.D0
Flashes
Red.
−
Deviation Counter Overflow
Lag pulse of the deviation counter exceeded the
parameter (Pn505).
A.D1
−
−
Motor-Load Deviation Over
The Motor-Load Deviation Over Level (Pn51A)
was exceeded for fully-closed encoder and semi-
closed encoder.
A.E0
−
−
No DeviceNet Unit
No DeviceNet Unit installed.
A.E1
−
−
DeviceNet Unit Timeout
No response from the DeviceNet Unit.
A.E2
−
−
WDC Error of DeviceNet Unit
WDC error in the DeviceNet Unit.
A.E6
−
−
DeviceNet Duplicate MAC ID Error
Same node address already exists on the
DeviceNet network.
A.E7
−
−
DeviceNet Unit Detection Error
No DeviceNet Unit was detected when the
power was supplied to the W-series Servo
Driver.
(cont’d)
Code
MS LED
NS LED
Alarm Name
Description
Summary of Contents for OMNUC W R88A-NCW152-DRT
Page 1: ...Cat No I538 E3 1 DeviceNet Option Unit OMNUC W Series Model R88A NCW152 DRT...
Page 53: ...4 Connectors 4 5 3 DeviceNet Network Configuration Restrictions 4 22 4...
Page 97: ...5 Parameter Settings 5 3 8 Notch Signal Output Positioning 5 44 5...
Page 211: ...8 Servo Driver Settings 8 5 3 Absolute Encoder Multi turn Limit Setting 8 24 8...
Page 257: ...9 Troubleshooting 9 46 9...