Hobart Welding Products OM-2208 manual Blowing Out Inside Of Unit, Troubleshooting

5-3. Blowing Out Inside Of Unit

Y Do not remove case when blowing out inside of unit.

To blow out unit, direct airflow through front and back louvers as shown.

ST-801 192

5-4. Troubleshooting

	Trouble		Remedy
No weld output; unit completely inop-		Place line disconnect switch in On position (see Section 3-6).
erative.
		Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 3-6).
		Check for proper input power connections (see Section 3-6).
No weld output; meter display On.		If using remote control, be sure mode switch is in a position that provides output control at Remote 14
		receptacle (see Section 4-4 or 4-6 as applicable).
		Input voltage outside acceptable range of variation (see Section 3-5).
		Check, repair, or replace remote control.
		Unit overheated. Allow unit to cool with fan On (see Section 2-2).
		If unit contains optional ground current sensor, excessive current in the ground circuit may have been
		detected. Have electrician check input power circuit.
Erratic or improper weld output.		Use proper size and type of weld cable (see Section 3-2).
		Clean and tighten all weld connections.
No 115 volts ac output at duplex recep-		Reset circuit breaker CB1 (see Section	3-4).
tacle, Remote 14 receptacle.
No 24 volts ac output at Remote 14 re-		Reset circuit breaker CB2 (see Section	3-4).
ceptacle.

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