Troubleshooting - Miller Electric INVISION Invision 456P Owner's Manual

5-5. Troubleshooting

Trouble
No weld output; unit completely inop-
erative.
No weld output; meter display On.
Erratic or improper weld output.
No 115 volts ac output at duplex recep-
tacle, Remote 14 receptacle.
No 24 volts ac output at Remote 14 re-
ceptacle.
OM-185 648 Page 24
Place line disconnect switch in On position (see Section 3-9).
Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 3-9).
Check for proper input power connections (see Section 3-9).
Check, repair, or replace remote control.
Unit overheated. Allow unit to cool with fan On (see Section 3-2).
Use proper size and type of weld cable (see Section 3-5).
Clean and tighten all weld connections.
Reset circuit breaker CB1 (see Section 3-7).
Reset circuit breaker CB2 (see Section 3-7).
Remedy