Circuit Breakers And Fuses - Miller XMT 400 CC/CV Owner's Manual

5-3. Circuit Breakers And Fuses

Tools Needed:
6
5
1
2
Y Turn Off welding power
1
If CB1 opens, remote devices re-
quiring 115 volts from Remote 14
receptacle RC2 or 115 volts ac re-
ceptacle RC3 shut down. Manually
reset CB1.
2
If CB2 opens, remote devices re-
quiring 24 volts shut down. Manual-
ly reset CB2.
3
3
If F1 opens, the welding power
source shuts down.
4
Fuse F2 is located in the wiring har-
ness behind the negative weld out-
put receptacle. If F2 opens, the
negative weld output voltage sens-
ing signal on socket J of Remote 17
receptacle RC1 is not present.
5
6
If F3 or F4 opens, remote control
devices connected to Remote 17
receptacle RC1 may shut down.
See Parts List for fuse sizes. Use
proper tool when removing fuses.
4
source, disconnect input
power, and check voltage on
input capacitors according
to Section 5-2 before
proceeding.
Circuit Breaker CB1
Circuit Breaker CB2
Fuse F1
Fuse F2
Fuse F3
Fuse F4
ST-159 312-B / Ref. ST-157 752
OM-139 426 Page 17