Miller Electric A.B.B. Robot Interface Gas Control Hub And Spindle User Manual
Page 30
OM-884 Page 26
5-6.
Use Of Indicator Lights For Troubleshooting
Gas Indicator Light
On
Off
Gas flows:
Gas does not flow:
Gas flows:
Gas does not flow:
System normal (on.)
Check gas valve operation.
Check gas valve operation
and gas line for leaks.
System normal (off).
Check interface board PC3.
Contactor Indicator Light
On
Off
Contactor closed:
Contactor open:
Contactor open:
System normal (on).
Check interconnecting cords.
System normal (off).
Check interface board PC3.
Wire Feed Indicator Light
On
Off
Wire feeds:
Wire does not feed:
Wire feeds:
Wire does not feed:
System normal (on).
Check circuit breaker CB1.
System normal (off).
Check relay CR1.
Check interface board PC3.
Current Indicator Light
On
Off
Arc started:
No arc:
Arc started:
No arc:
System normal (on).
Replace reed relay.
Replace reed relay.
System normal (off).
Arc Failure Indicator Light
On
Off
No arc:
Arc started:
Normal during idling.
No arc:
Check weld
Check input signal from
Normal while welding.
Contactor closed:
Check display board PC4.
robot to motor board PC2.
Signal should be 0-10 vdc
between pins K and B
(common) at RC5.
Check motor board PC2.
Arc started:
Check signal from robot.
parameters.
Signal should be 24 vdc
between terminals 1 TL
and 1 TM.
Check display board PC4.