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8. Trouble shooting
If the UPS is working abnormally, the warning or fault codes would be
shown to indicate the status of UPS. Even several warnings could appear
in the same time, and the warning codes would be shown circularly. Once
one fault is come forth, then all previous warnings would not be shown
again but only the fault code is presented.
Warning and Fault Code Warning and Fault Code
Bus fault 05 Site fail warning 09
Inverter fault 06 Fan fail warning 10
Overload fault 07 Bat over warning 11
Over temperature fault 08 Bat weak warning 12
Charger fail warning 13
If the UPS system does not operate correctly, please attempt to solve the
problem using the table below.
Problem Possible cause Remedy
No indication, no
warning tone even
though system is
connected to mains
power supply
No input voltage
Check building wiring socket
outlet and input cable.
The status indicates the
UPS is in no output or
bypass mode, even
though the power
supply is available
Inverter not
switched on
Press “ON” button and turn on the
UPS
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