5. troubleshooting – Miller Electric 456 CV User Manual

Page 31

Advertising
background image

OM-188 422 Page 27

5-5.

Troubleshooting

Trouble

Remedy

No weld output; unit completely inop-
erative.

Place line disconnect switch in On position (see Section 3-10).

Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 3-10).

Check for proper input power connections (see Section 3-10).

No weld output; meter display On.

Check, repair, or replace remote control.

Unit overheated. Allow unit to cool with fan On (see Section 3-2).

Erratic or improper weld output.

Use proper size and type of weld cable (see Section 3-6).

Clean and tighten all weld connections.

No 115 volts ac output at duplex recep-
tacle, Remote 14 receptacle.

Reset circuit breaker CB1 (see Section 3-8).

No 24 volts ac output at Remote 14 re-
ceptacle.

Reset circuit breaker CB2 (see Section 3-8).

Advertising
This manual is related to the following products: