Hypertherm Powermax30 AIR Service Manual User Manual
Page 64
64
Powermax30 AIR Service Manual 808850
5 – Troubleshooting and System Tests
The power ON LED blinks.
Possible cause
Possible solution
The incoming voltage is below 90 VAC or
above 285 VAC.
Perform
Test 1 – voltage input on page 78.
All four LEDs blink when the system is
powered ON.
Possible causes
Possible solutions
A major fault has occurred in the power
supply. For example, the fan, solenoid valve,
control board, or power board may be faulty.
The error LED on the control board should
be blinking. The number of times it blinks
between pauses indicates which
components to test. See
AC
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