TROUBLESHOOTING
1-47August 9, 2005
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
Kaaaw sk
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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