Omron R88D-1SN ECT Series, User Manual, Page: 740 / 974

12 Troubleshooting
12 - 8 AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
Precautions for Correct Use
You can clear these warnings by executing the error rest command. The command does clear
the warning even if the cause of the warning is not removed, but the same warning will occur
again.
12-2-2 Warning List
General Warnings
Error No.
Warning name Warning condition
Warning Mask 1
Selection
*1
(4020-01 hex)
Warning Level Change 1
Selection (4020-05 hex)
corresponding bit
*1. For Warning Mask 1 Selection, when a bit is set to 1, the detection of the corresponding warning is disabled.
Main
(hex)
Sub
(hex)
A0 00 Overload Warning The load ratio of Servo Drive or motor
(4150-81 hex) exceeded the level set in
Overload - Warning Notification Level
(4150-01 hex).
Bit 0
A1 00 Regeneration Overload
Warning The Regeneration Load Ratio (4310-81
hex) exceeded 85% of the regeneration
overload ratio. Bit 1
A3 00 Fan Rotation Warning The rotation speed of the fan is 80% or
less of the rating and the cooling perfor-
mance decreases. Bit 11
A4 00 Encoder
Communications
Warning Encoder communications errors
occurred in series more frequently than
the specified value. Bit 2
A6 00 Motor Vibration
Warning The motor vibration, which was higher
than or equal to the level set in the
Vibration Detection - Detection Level
(3B70-01 hex), was detected.
Bit 3
A7 01 Capacitor Lifetime
Warning The capacitor built into the Servo Drive
reached the service life of the manufac-
turer’s guarantee. Bit 4
02 Inrush Current
Prevention Relay
Lifetime Warning The inrush current prevention relay built
into the Servo Drive reached the service
life of the manufacturer's guarantee. Bit 5
04 Brake Interlock Output
Relay Lifetime Warning The brake interlock output (BKIR) relay
built into the Servo Drive reached the
service life of the manufacturer's guar-
antee. Bit 7
05 Lifetime Information
Corruption Warning An error was detected in the saved life-
time information. Bit 9
06 Encoder Lifetime
Warning • The encoder lifetime is close to the
end.
• The encoder broke down.
Bit 10
AB 00 Absolute Encoder
Counter Overflow
Warning The multi-rotation counter of the
encoder exceeded the value set in
Encoder - Absolute Encoder Counter
Overflow Warning Level (4510-02
hex).
Bit 12