Troubleshooting - Miller Electric Coolmate 1 W Owner's Manual

14. Troubleshooting

Trouble
Excessive noise.
Coolant system does not work.
Decreased or no coolant flow.
15. Circuit Diagram For Cooler
OM-235 464 Page 8
Pump priming noise can occur during startups, or after changing or replacing coolant. Noise will subside
after pump is primed. Tighten filter cap if noise persists.
Have Factory Authorized Service Agent check unit if motor is hitting divider mid-plane.
Be sure input power cord is plugged into an energized receptacle, and power is turned on.
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 S1 and motor (Mot).
Add coolant.
Check for clogged hoses or coolant filter. Clean filter or clean / replace hoses if necessary.
Remedy
235 469-A