Discussion Category:  High Voltage Power Supply Units

We have a PowePac 300 giving e8

I am trying to find out any information on a PowePac 300. when I set a voltage it will set but when I turn the unit to run I get zero volts out and then e8 pops up in the display. the only information I have found is that e8 means there is a problem with the unit not helpful. if anyone has a schematic or service information or service manual it would really help.

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Replace the cooling fan and R10 and R15. If it is a 300CE, both of these resistors are 6.8k 7watt. If its a 300, R10 is 4.7k 5watt and R15 is 2.4k 5watt.

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