Do System Tests to Identify Defective Components
78 810430 Troubleshooting Guide Powermax65/85/105 SYNC
Figure 9 – J1, J2, J5, and J6 pins in Powermax105 SYNC
Test 1 – Voltage input
When you get an AC input voltage fault (0-60-0, 0-60-1, or 0-60-2), do the following.
Examine the incoming power
1. Set the power switch on the plasma power supply to OFF (O), and disconnect the power cord.
2. Remove the plasma power supply cover and the component barrier.
3. Connect the power cord to the power source, but keep the plasma power supply set to
OFF (O).
J1 = Fan
J2 = Inverter temperature sensor
J5 = Auxiliary switch
J6 = Solenoid valve electronic regulator
WARNING
ELECTRIC SHOCK CAN KILL
The plasma power supply contains dangerous electric voltages that can seriously injure or
kill you.
Use extreme caution if you do service or maintenance work on a plasma power supply
when it is connected to an electric power source and the outer cover or panels are
removed.
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