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Jaime SimmonsJul 27, 2025
What to do if my AQUARIUS 70 does not build up pressure?
- MMichael TravisJul 27, 2025
If your AQUARIUS Welding System isn't building pressure, several issues could be the cause. First, check for gas leaks at the generator tank screw cap, the gas tube screw connection, and the torch adjusting valve, and tighten them if necessary. If leaks aren't the issue, the pressure switch might be defective, triggering the safety pressure limiter; in this case, replace the pressure switch and push down both pushbuttons on the safety pressure limiter. Other potential causes include a burned-through dropping resistor (replace it), defective rectifier diodes on the diode plate (replace the diode plate), or the thermostat switch has triggered because the generator is too hot (check that the cooling fan is working; gas production restarts automatically when the generator cools below 45°C).
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