TROUBLESHOOTING
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
1-78 August 9, 2005
Kaaaw sk
ERROR CODE E1035 Encoder response error (Jt XX).
Occurs when the encoder does not respond, or response is slow, to data request signal
from the 1KB board.
Power
circuit Battery
EncoderEncoder
1FG/1HG board
Robot
Controller
1KB board
Encoder I/F
Servo
CPU
Encoder +12VDC power supply
Main causes include:
1. Defective encoder or encoder harness.
2. Defective 1KB or 1FG/1HG board.
3. Noise related malfunction.
4. Servo spot weld gun.
–Loose connection at tool changer.
–Defective tool changer harness.
Check connections at encoder, 1FG/1HG board, and separation harness.
Ensure the 1KB board is properly seated into the card rack.
Replace encoder, replace 1KB board.
Check for continuity in the machine harness and separation harness.
Replace 1FG/1HG board.
Check for noise malfunction and shield integrity.
Inspect the servo gun and tool changer harnesses; replace as necessary.
After repair is complete, confirm correct program playback in check mode before
running program in repeat mode
.
For additional information on error code E1035, see section 1.4.
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