Xtreme Power Conversion Corporaon
TX90 6kVA & 10kVA Service Manual
Page 39
Uninterrupble Power Supply
Error Code Er02
Denion: The UPS is in 2nd stage so start procedure, but the DC Bus can not reach and maintain ancipave
charging voltage aer 2 seconds (approx. present 85% of peak voltage of ulity, either present 80% of baery volt-
age or output voltage of charger).
Flow Chart