AEG PROTECT D LCD+ - Page 82

82
Conditions
Possible cause
Action
Emergency
power off
RPO is active 1.Check the RPO connector
status
2.Reset the RPO fault through
LCD. Main menu – Control -
Reset fault state.
Fan fault Fan abnormal Check if the fan is running
normally
Site fault Phase and neutral
conductor at input of
UPS system are
reversed
Site Fault detection disabled by
default. It can still be enabled /
disabled from the LCD settings
menu.
Reconnect all input wires.
Over
temperature
fault
Over temperature is too
high, UPS goes to
bypass or stopped.
Check the ventilation of the UPS
and check the ambient
temperature.
Output short
circuit
Output short circuit
occurred.
Check the output of UPS and
loads, make sure the short circuit
is removed before turning on
again.