GENERATOR FAULTED FOR UNDERVOLTAGE 1902. BASED ON TESTING, THE DIODES IN THE BRIDGE RECTIFIER HAVE FAILED. REPLACED THE BRIDGE RECTIFIER AND RAN GENERATOR UNDER LOAD FOR 45 MINUTES. OUTPUT VOLTAGE NEVER FLUCTUATED MORE THAN 4-5% WHILE POWERING THE HOME. NO FURTHER ISSUES AT THIS TIME. FILED THE REPAIRS UNDER WARRANTY.