IAI America NS - Manual (Page 71)

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12. T
roubleshooting
12. Troubleshooting
12.1 What to Do When an Error Occurs
If an encoder open error, driver overload error, deviation overflow error or any other error occurs, do not
hastily determine that the robot or controller is faulty. Refer to the information below and check if the
problem can be corrected by the applicable procedure. If the problem still persists after the
troubleshooting procedure, contact IAI and provide us with detailed information regarding the problem
condition.
12.2 Encoder Open Error (Error Code: D12)
If a replacement controller is
available, swap the controllers
and check the operation.
Encoder open error
Connector wiring error?
Broken cable?
Faulty controller?
If the problem still persists, contact
IAI.
[1] The connector is not securely
connected.
[2] Loose pins.
[3] Wrong addresses (the motor
and encoder connectors are
connected in reverse).
Replace the cable.
Replace the controller.