OTC DP-400 - Page 71

No. P10355
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12. MAINTENANCE AND TROUBLESHOOTING (continued)
No. Trouble Cause Solution
Trouble with the control
circuit
After inspecting PCB P10264P or
P10264U and replace it if necessary.
Trouble with the filter
circuit
After inspecting PCB P10264T, replace
it if necessary.
Trouble with the remote
control
After inspecting the cable/plug for
remote control or the remote control,
replace them if necessary.
8
Current and voltage
can not be set.
Error in wire voltage
detection
Inspect connections of CN23 and CN
24 on PCB P10352U or CN1 on PCB
P10264X.
Incomplete insertion or
breaking of the control
cable for wire feeder
After inspecting the contacts of the plug
and cable, replace them if necessary.
Trouble with the motor
control circuit
After inspecting PCB P10264Q, replace
it if necessary.
9
Wire is not fed.
Trouble with the filter
circuit
After inspecting PCB P10264T, replace
it if necessary.
Trouble with the hole
current detector CT2
Inspect the hole current detector CT2.
10
WCR keeps working.
Trouble with the WCR
circuit
After inspecting PCB P10264P, replace
it if necessary.