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TROUBLESHOOTING
1-47August 9, 2005
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
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ERROR CODE D1528 Controller temperature is out of range.
Temperature inside the controller exceeds specification.
Main causes include:
1. Defective cooling fan(s). For D7X controller, defective heat exchange fan on the left
side of the controller.
2. Ambient temperature above specified rating.
3. Defective 1KP board.
⇒
Inspect cooling fans for proper operation and replace fans and/or fan harness(es) as
necessary
.
⇒
Ensure air inlet filter is not restricted.
⇒
Lower ambient temperature within specifications.
⇒
Replace the 1KP board.
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ERROR CODE D1529 Signal harness is disconnected or encoder power error.
This error is caused when a communication error occurs for all axes.
Main causes include:
1. Separate harness disconnected or poor connection.
2. Abnormality in encoder power supply.
3. Low battery voltage on the encoder battery board (1FG/1HG).
4. Defective encoder battery board (1FG/1HG).
⇒
Ensure proper connections at the separate harness
.
⇒
Ensure proper encoder power is supplied.
⇒
Replace batteries on the encoder battery board (1FG/1HG).
⇒
Replace the encoder battery board (1FG/1HG).
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ERROR CODE D1530 Abnormal current limit of JtXX.
Main causes include:
1. Ground fault in the motor power line U/V/W.
2. Unavailable program data.
⇒
Check motor power line and replace as necessary.
⇒
Modify program data.
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