Miller PipeWorx 400 User Manual

OM-253 906 Page 82
! Disconnect power before troubleshooting.
7-11. Cooler Troubleshooting
Trouble Remedy
Coolant system does not work.
Be sure input power cord is plugged into energized receptacle.
Check supplementary protector CB1 at welding power source, and reset if necessary.
Motor overheated. Unit starts running when motor has cooled.
Have Factory Authorized Service Agent check motor.
Decreased or no coolant flow.
Add coolant.
Check for clogged hoses or coolant filter.
Disconnect pump, and check for sheared coupling. Replace coupling if necessary.
Notes

Miller PipeWorx 400 Specifications

General

Amperage Range	5 - 400 A
Duty Cycle	60% at 400 A
Processes	MIG, Flux-Cored, Stick, DC TIG, Pulsed MIG
Output Voltage Range	10 - 44 V
Wire Feed Speed	50 - 780 IPM