Tripp Lite SVT20KX Owners Manual - Page 26

4. Operation Operating mode/status Fault status Description LCD screen When the UPS has experienced a fault, the inverter will be blocked. It will display fault code in screen and the icon will light up. The code meaning can be found in the Fault Code table 4.9 below. 4.9 Fault Codes Fault code 01 02 03 04 06 11 12 13 14 15 16 17 18 19 Fault event Bus start failure Bus over Bus under Bus imbalanced Converter over current Inverter soft start failure High inverter voltage Low inverter voltage Inverter A output (line to neutral) short circuited Inverter B output (line to neutral) short circuited Inverter C output (line to neutral) short circuited Inverter A-B output (line to line) short circuited Inverter B-C output (line to line) short circuited Inverter C-A output (line to line) short circuited Icon None None None None None None None None 4.10 Warning Indicator Warning Battery low Icon (flashing) Fault code 1A 1B 1C 21 24 29 31 36 41 42 Fault event Inverter A negative power fault Inverter B negative power fault Inverter C negative power fault Battery SCR short circuited Inverter relay short circuited Battery fuse broken in Battery mode Parallel communication failure Parallel output current unbalance Over temperature DSP communication failure 43 Overload 46 Incorrect UPS setting 47 MCU communication failure 48 Two DSP firmware versions are incompatible 49 Input and output phases are incompatible Alarm Beep every second Overload Beep twice every second Battery disconnected Beep every second Overcharge Beep every second EPO enable Beep every second Fan failure/Over-temperature Beep every second Charger failure Beep every second I/P fuse broken Beep every second Overload 3x in 30 minutes Beep every second 26 Icon None None None None None None None None None None None None None None