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SHOR Inverter short Output short
circuit
Remove all the loads.
Turn off the UPS. Check
whether the output of
UPS and loads is short
circuit. Make sure the
short circuit is removed,
and the UPS has no
internal faults before
turning on again.
OVTP Over temperature
fault
Over
temperature
Check the ventilation of
the UPS, check the
ambient temperature and
ventilation.
OVLD Overload Overload Check the loads and
remove some non-critical
loads.
Check whether some
loads are failed.
SITE
Site fail Phase and
neutral
conductor at
input of UPS
system are
reversed
Rotate mains power
socket by 180° or connect
UPS system.
Please have the following information at hand before calling the After-Sales
Service Department:
1. Model number, serial number
2. Date on which the problem occurred
3. LCD display status, Buzzer alarm status
4. Mains power condition, load type and capacity, environment temperature,
ventilation condition
5. The information (battery capacity, quantity) of external battery pack
6. Other information for complete description of the problem