In this article, we will share with you in more detail what needs to be done during the maintenance of a servo motor. Here, we will try to explain what servo motor alarms and warnings mean, their causes, and what needs to be done to fix them.
Servo Motor Control and Parts Replacement
This section explains how to control the servo motor and replace parts.
Servo Motor Inspection
You should perform the inspections listed in the table below for your servo motor at least once a year.

Servo Motor Part Replacement Guide
Electrical or electronic components are subject to mechanical wear or deterioration over time. You can use one of the following methods to check the standard replacement period. Servo Motor Battery Replacement
If the battery voltage drops to approximately 2.7V or lower, the A.830 alarm (Encoder Battery Alarm) or A.930 warning (Absolute Encoder Battery Error) will be displayed. If this alarm or warning is displayed, the battery must be replaced. Refer to the following section for the battery replacement procedure.

Servo Motor Battery Replacement Procedure
When installing the battery in the main controller, set the servo motor control power supply to the ON position.
Remove the old battery and install the new one.
To clear the A.830 alarm (Encoder Battery Alarm), turn the power supply to the servo package to the OFF position.
Turn the control power supply on the servo motor to the ON position.
Ensure that the alarm has been cleared and that the servo motor is operating normally.
When Using the Battery and Encoder Cable;
Servo Motor Alarm List
If an error occurs in the servo motor, an alarm number is displayed on the panel screen.
This section provides a list of possible alarms, their causes, and their remedies.
Servo Motor Alarm Meanings
In the alarm list provided below regarding servo motor alarms, you can find the alarm name, alarm meaning, alarm stop method, and alarm reset option.
Alarm Reset Option
Yes: You can reset the alarm using the servo motor alarm reset function.
No: The servo motor alarm cannot be cleared.
Fixing Alarms
The causes and solutions for servo motor alarms are listed in the table below. If you cannot resolve an issue using the solution provided in the table, please contact YUHAİ representatives.