43
2.2.12 Fault Menu
Purpose: Describes the Fault Submenu and how to use the LCD for troubleshooting. (Figures 24, 25 and 26)
Procedure:
When the
RED FAULT LED is continuously
ON, the unit has a fault, indicating a condition where backup
power is unavailable. Press
ENTER
to display fault description.
TIP:
When the unit has a fault and line power is qualified and available, the output loads are directly connected to
the Input line with no line conditioning or backup power provided.
1. Red Fault LED
on
2.
Unit has FAULT
Figure 24
Figure 25
LED Shows a Fault
LCD Displays Fault
LCD SHOWS
Fault
DESCRIPTION
O/P Short Circuit
Output Short Circuit
The load is short-circuited or the inverter did not start.
O/P Over Load
Overload
The loads are drawing more power than the TRTC can
provide.
Batt Over Voltage
High Battery Voltage
The batteries voltage is high.
Battery Bad
Battery Bad
The batteries are bad.
Batt Over Temp.
Battery High Temperature
The batteries temperature is too high, It’s over 50°C.
Power MOSFET Damage Power MOSFET Damage
The Power board MOSFET is damage and inverter did not
work.
Charger Fault
Charger function Fault
The charger voltage or current is over specification.
Inverter Fault
Inverter function Fault
The UPS inverter did not work.
AVR Fault
AVR function Fault
The AVR (Buck or Boost) function did not work.
EEPROM Fault
EEPROM Fault
The EEPROM is fault.
Figure 26
Fault Table