Miller Cool Runner 3CS Owner's Manual - Page 14

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7-3. Troubleshooting

Trouble

Coolant system does not work.

Decreased or no coolant flow.

SECTION 8 − ELECTRICAL DIAGRAM

8-1. Circuit Diagram For Cooler

PLG1

BLK

115VAC.

WHT

GRN/YEL

OM-230 161 Page 10

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 motor.

Add coolant.

Check for clogged hoses or coolant filter.

Disconnect pump, and check for sheared coupling. Replace coupling if necessary.

Remedy

MOT

225 650-A