Heater Diagnostic Test (Pro, RT, VCT)

The objective of this procedure is to drive the heater inverter on both tube filaments in order to identify a faulty heater board or a wrong connection between the heater board, HV Tank and tube. Summary: Run diagnostic.

1. If desired, you may check any or all of the following:
   1. PPC kV control board alive and running: S0-S7 LEDs are lit successively or a combination of them blink.
   2. Heater board alive and running: DS1 and DS2 LEDs are lit successively.
   3. Heater DC supply present: DS3 LED is lit.
2. Launch the GENERATOR TOOL.
3. Launch the Heater Diagnostic tool.
4. Run the test. A scan sequence will proceed.
5. If a problem occurs, check the error code.