Kawasaki D Series Controller MPVDCONTV113E-3 - Manual (Page 84)

TROUBLESHOOTING
1-81 August 9, 2005
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
Ka a a w s k
ERROR CODE E1038 Encoder ABS-track error. (Jt XX)
The absolute data and the incremental data in the encoder are different. ABSALM=1 is
output from the encoder when this error occurs.
Power
circuit
Battery
Encoder Encoder
1FG/1HG board
Robot Controller
1KB board
Encoder I/F
Servo
CPU
Encoder +12 VDC power supply
Main causes include:
1. Noise related malfunction.
2. Defective encoder or encoder harness.
3. Defective 1KB or 1FG/1HG board.
4. Servo spot weld gun.
–Loose connection at tool changer.
–Defective tool changer harness.
⇒
Check for noise malfunction and shield integrity.
⇒
Replace encoder, replace 1KB board.
⇒
Check connections at encoder, 1FG/1HG board, and separation harness.
⇒
Ensure the 1KB board is properly seated into the card rack.
⇒
Check for continuity in the machine harness and separation harness.
⇒
Replace 1FG/1HG board.
⇒
Inspect the servo gun and tool changer harnesses; replace as necessary.
For additional information on error code E1038, see section 1.4.
_____________________________________________________________________