TROUBLESHOOTING
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
1-10 August 9, 2005
Kaaaw sk
1.2.1.3 MOTOR POWER CANNOT BE ENABLED
This condition exists when motor power does not engage when the MOTOR POWER
switch is pressed.
Main causes include:
1. An error condition exists.
2. K1, K2, or K3 are not engaged due to a defective 1KQ/1NR board, MC unit, teach
pendant, software, eternal signals etc.
3. Emergency stop condition exists.
4. Defective power block.
5. Disconnected or short-circuited motor power supply harness.
6. Motor temperature or controller internal temperature exceeds limits
If the operation panel error lamp is illuminated or an error message is displayed on
the teach pendant LCD, take appropriate measures to release the error condition
according to the error message.
Check and repair any abnormalities in the motor power supply circuit.
Ensure all EMERGENCY STOP switches are released.
Replace the power block.
Replace the motor power supply harness.
Ensure motor temperature and controller internal temperature does not exceed limits.