Do System Tests to Identify Defective Components
Powermax65/85/105 SYNC Troubleshooting Guide 810430 123
Test 12 – Auxiliary (AUX) switch
Use this test if you see one of these conditions:
The main screen is blank after you set the plasma power supply to ON.
The 2-01-1 fault code shows.
This test is not applicable for Powermax65/85 SYNC CE/CCC models.
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. Powermax65/85 SYNC CSA:
Disconnect the auxiliary switch cable
from J1 on the power PCB.
Powermax105 SYNC: Disconnect
the auxiliary switch cable from J5 on
the power PCB.
4. With the power switch on the plasma
power supply set to OFF (O),
measure the resistance between
pin 4 and pin 5 on the auxiliary
cable’s connector. Refer to Figure 35
on page 124. If there is high
resistance between the pins, do a
check for an open circuit or a short
circuit on the auxiliary switch
receptacle on the power PCB and on the power switch.
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