Schumacher PID-750 Welding System User Manual


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5. Display shows Hi P. Device demands more than 750
Watts continuous power.
CycleinverterpowerOFFandON.
If problem persists, use a larger inverter or a
smaller device.
6. Display shows HoT. Inverter is too hot.
Increase ventilation to inverter.
Move inverter to a cooler area.
Reduce the power consumption of the device.
Inverter will automatically reset after cooling.
PROBLEM: Inverter Does Not Turn On
Reason/Solution
1. Poor contact at terminals.
Unplug and reinsert PID-750.
2. Fuse is blown.
A blown fuse is usually caused by reverse polar-
ity or a short circuit within the inverter. To replace,
contactaqualiedservicetechnicianwhowill
diagnose the inverter and replace the fuse with the
appropriate replacement.
3. Inverter may be defective.
See warranty and call Customer Service
800-621-5485(Hours:7a.m.–4:30p.m.CST).
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