Miller PU 301 Owner's Manual - Page 10

Browse online or download pdf Owner's Manual for Welding Accessories Miller PU 301. Miller PU 301 16 pages. Cooling system

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Miller PU 301 Owner's Manual

4-3. Troubleshooting

Trouble
Coolant system does not work.
Decreased or no coolant flow.
SECTION 5 − ELECTRICAL DIAGRAMS
OM-180 231 Page 6
Be sure input power cord is plugged in to energized receptacle.
Check line fuses or circuit breaker, and replace or reset if necessary.
Motor overheated. Unit starts running when motor has cooled.
Have Factory Authorized Service Agent check Power switch and motor.
Add coolant.
Check for clogged hoses or coolant filter.
Disconnect pump, and check for sheared coupling. Replace coupling if necessary.
Figure 5-1. Circuit Diagram
Remedy
135 796-D