Failure Correction Notes; Warranty - CyberPower CPS3000 Mode D'emploi

7.Failure Correction Notes

This series inverter should be operated by professional technicians. Any improper use
or modification may damage the unit or result in dangers. If failure situation cannot be
solved after checking the list below, please consult CyberPower or our local distributors.
Status
No AC output voltage
Discharging period of
batteries is too short
Fan does not spin

8.Warranty

3 years global warranty (2 years global warranty for Fan) is provided for inverter under normal
operation. Please do not change any component or modify the unit by yourself. Otherwise you
may void the warranty.
Possible Reasons
Abnormal input
No input (battery, AC main)
Over temperature protection
Overload protection
Short circuit protection
Batteries are aging or broken
Battery capacity is too small
Malfunction of the charger
(no charging voltage)
Clog with foreign objects.
Malfunction of the fan
EN
19
Ways to Eliminate
Check the AC or DC input sources. Make sure the
voltage is within the required range.
Make sure the wiring and polarity is connected
properly.
Make sure that the ventilation is not blocked and
the ambient temperature is not too high. Please
derating the output or cool down the ambient
temperature.
Make sure the output is not overloaded or the
starting current is not too huge. (For inductive or
capacitive loads)
Make sure the output is not overloaded or short
circuit.
Replace the batteries.
Reconfirm the specification and increase the
battery capacity as suggested.
Repair required. Please send it back to
CyberPower or our local distributors.
Remove the foreign objects.
Repair required. Please send it back to
CyberPower or our local distributors.