TROUBLESHOOTING
1-135August 9, 2005
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
Kaaaw sk
ERROR CODE E5021 Extend pos. monitor error.
Occurs when the input signal for the extend operation of a 2-stroke retractable gun is not
received.
Main causes include:
1. Defective weld gun, weld controller/timer, cable, etc.
2. Defective 1KA/1GW (1HW) boards, harness, etc.
3. Defective interlock circuit.
4. Incorrect extend position input signal setting.
5. Noise related malfunction.
Check gun, weld controller/timer, cable, etc. and repair/replace as necessary.
Check 1KA/1GW (1HW) boards and harness and replace as necessary.
Ensure the extend position input signal setting is correct.
Check for noise malfunction and shield integrity.
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ERROR CODE E5022 Current gun retract position differs from a destination.
In the check mode, retractable gun output signals are monitored and compared to clamp
condition code and open/close data for a specific step. If the data does not match, this
error is displayed.
Ensure settings in clamp condition code and open/close data match output signal
settings, check operation of gun with the clamp key.
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ERROR CODE E5023 Wear is abnormal, cannot take measurement.
When executing tip wear measurement, the moving or fixed tip wear exceeds the al-
lowed value.
Replace the worn gun tip
.
Ensure tip wear measurement data is correct.
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