J04249: Pyrolyzer with GCMS PM completed. Checking AED System condition. GCMS PM Kit replaced & Ion source cleaning completed. Pyrolyzer (PY15223202910) PM completed as per PM checklist. AED unable to communicate with software & plasma unable to power up. There is a problem at either power supply to the mainboard or the magnetron is faulty. Check main board test point as per manual unable to achieve required reading.