Miller CST 250 Manual do Proprietário - Página 22
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Imprimir página4-2. Overload Protection
4-3. Troubleshooting
Trouble
No weld output from any welding
power sources; units completely
inoperative.
No weld output from one welding
power source.
OM-2238 Page 18
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Place line disconnect switch in On position (see Section 3-9).
Check and replace line fuse(s), if necessary, or reset circuit breakers (see Section 3-9).
Check for proper input power connections to rack (see Section 3-9).
Check fuses in applicable fuse block (see Section 4-2).
Check for proper input power connections to welding power source (see Section 3-5).
Check applicable welding power source according to its Owner's Manual.
1
Control Box
2
Location Of 3-Phase Fuse
Block
Each Power fuse block protects the
welding power source connected to
it from overload.
3
3-Phase Fuse Block
4
Fuses
If fuse(s) in fuse block open(s), the
matching welding power source
shuts down. To check fuse block,
place line disconnect switch in Off
position and open hinged fuse
holder on applicable fuse block to
access fuses. Check fuses, and
replace if necessary.
Remedy
Ref. 803 169-A / 801 767