1. Abnormal high voltage HV ABNORMAL DOES FAULT RESET OCCUR DURING EXPOSURE GENERATOR VERIFY INTEGRITY NO OF THE TUBE AND 2 VERIFY PREHEATS IS FAULT PRESENT REMOVE I O CABLE FROM JB2 AND GND JB2 PIN 32 ON THE SYSTEM CONTROL BD RESET GENERATOR REPLACE TUBE OR XCS BD MONITOR CKV TP6 AND AKV TP4 ON THE INVERTER PWB DOES KV MONITORS REPLACE HIGH VOLTAGE CHASSIS REPLACE 1 5 ON THE INVERTER PWB Are REPLACE ARE THE RAILS REPLACE THE SYSTEM IN SPEC AC CHASSIS REFERENCE CONTROL BD REPLACE HIGH VOLTAGE CHASSIS