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Part 1 Installation

Chapter 5 Maintenance

 Routine maintenance and inspection are necessary so that the system will operate properly at all times. Be

sure to turn off the power before performing maintenance or inspection.

 The standard inspection interval is six months to one year. If the environment warrants, however, the interval

should be shortened.

1. Inspection Points

 Check to see if the supply voltage to the controller is inside the specified range.

 Inspect the ventilation holes in the controller and remove dirt, dust and other foreign attachments, if any.

 Inspect the controller cables (controller  actuator) and check for any loose screws or cable

disconnection.

 Check the controller mounting screws, etc., for looseness.

 Inspect each cable (axis link cable, general-purpose I/O cable, system I/O cable, power cable) for loose

connection, disconnection, play, etc.

2. Spare Consumable Parts

Without spare parts, a failed controller cannot be repaired even when the problem is identified quickly. We

recommend that you keep the following consumable parts as spares:

Consumable parts

 Cables

 System-memory backup battery (optional): AB-5 by IAI -- Must be replaced after approx. 5 years

 Absolute-data backup battery (optional): AB-5 by IAI -- Must be replaced after approx. 2 years*

(Absolute specification)

*: The actual replacement timing will vary depending on the use condition. For details, refer to “

Battery Backup Function” in Appendix.

When the battery voltage drops, an applicable error code will be displayed on the panel window.

Error Codes Indicating Low Battery Voltage

System-memory backup battery A01 or A02

Absolute-data backup battery A23

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