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Installation

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ASDA-A3

2

2.4.1 Troubleshooting for the motor operation and status

When the servo motor makes abnormal noises:

Possible cause

There is a source of vibration in

the connecting component.

The encoder is subject to

excessive vibration / shocks.

Checking method

Check if there is any foreign

object, damage, or deformation

in the movable parts of the

connecting component.

1. Check if the servo motor has

been subject to impact force

or vibration which causes

damage to the encoder.

2. Remove and shake the

motor to see if there are any

abnormal noises (disk

damage).

3. Visually inspect the

encoder’s rear cover for dust

(encoder damage).

Corrective action

Replace the connecting

component (such as the

coupling) or contact the

manufacturer.

Replace the servo motor.

When the servo motor is overheating:

Possible cause

Mounting surface of the servo

motor has poor thermal

conductivity.

Checking method

Measure the temperatures of the

servo motor frame and the

mounting surface (metal). The

temperature difference should

not exceed 20°C (68°F).

Corrective action

Make sure the installation

surface is flat; if there are any

substance (such as paint,

gasket) between the mounting

surface and motor surface

resulting in poor heat

dissipation. Remove the

substance or use other methods

to help heat dissipation (such as

forced air cooling for the servo

motor).

2-10

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