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4. troubleshooting – Hobart Welding Products STELLAR AT OM-180 670Q User Manual

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OM-180 670 Page 25

5-4.

Troubleshooting

Trouble

Remedy

No weld output; unit completely inop-

Place line disconnect switch in On position (see Section 3-9).

erative.

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).

No weld output; meter display On.

If using remote control, be sure Mode Selector switch is in a position that provides output control at
Remote 14 receptacle.

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 3-5).

Clean and tighten all weld connections.

No 110 volts ac output at duplex recep-
tacle, Remote 14 receptacle.

Reset circuit breaker CB1 (see Section 3-7).

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

Reset circuit breaker CB2 (see Section 3-7).