If the UPS system does not operate correctly, please solve the problem by using the table below and the Trouble Shooting Chart. Symptom Possible cause Remedy Check if input power cord The AC input power is firmly connected to the not connected well. mains. No indication and alarm even though the mains is normal. The AC input is Plug AC input power cord connected to the UPS to AC input correctly. output. The external or Alarm code is shown as“33” Check if all batteries are internal battery is and battery led blinking. connected well. incorrectly connected. Battery voltage is too Alarm code is shown as “26” high or the charger is Contact your dealer. and battery led blinking. fault. Battery voltage is too Alarm code is shown as “34” Contact your dealer. low or the charger is and battery led blinking Alarm code is shown as “32” Remove excess loads from and INV or BYPASS led UPS is overload UPS output. blinking. The UPS shut down Check output wiring and if Alarm code is shown as “29” automatically because connected devices are in and FAULT led light. circuit occurs on short circuit status. the UPS output. Alarm code is shown as “9” Contact your dealer. Fan fault. and FAULT led light. Alarm code is shown as A UPS internal fault Contact your dealer. “01,02, 15,16,17,18” has occurred. Charge the batteries for at 5 hours and then Batteries are not fully check capacity. If the charged Battery backup time is shorter problem still persists, than nominal value consult your dealer. Contact your dealer to Batteries defect replace the battery. Trouble Shooting Chart Storage and Maintenance Operation The UPS system contains no user-serviceable parts. If the battery service life (3~5 years at 25°C ambient temperature) has been exceeded, the batteries must be replaced. In this case, please contact your dealer.
If the UPS system does not operate correctly, please solve the problem by using the table below and the Trouble Shooting Chart. Symptom Possible cause Remedy No indication and alarm even though the mains is normal. The AC input power is not connected well. Check if input power cord firmly connected to the mains. The AC input is connected to the UPS output. Plug AC input power cord to AC input correctly. Alarm code is shown as“33” and battery led blinking. The external or internal battery is incorrectly connected. Check if all batteries are connected well. Alarm code is shown as “26” and battery led blinking. Battery voltage is too high or the charger is fault. Contact your dealer. Alarm code is shown as “34” and battery led blinking Battery voltage is too low or the charger is Contact your dealer. Alarm code is shown as “32” and INV or BYPASS led blinking. UPS is overload Remove excess loads from UPS output. Alarm code is shown as “29” and FAULT led light. The UPS shut down automatically because circuit occurs on the UPS output. Check output wiring and if connected devices are in short circuit status. Alarm code is shown as “9” and FAULT led light. Fan fault. Contact your dealer. Alarm code is shown as “01,02, 15,16,17,18” A UPS internal fault has occurred. Contact your dealer. Battery backup time is shorter than nominal value Batteries are not fully charged Charge the batteries for at 5 hours and then check capacity. If the problem still persists, consult your dealer. Batteries defect Contact your dealer to replace the battery. Trouble Shooting Chart Storage and Maintenance Operation The UPS system contains no user-serviceable parts. If the battery service life (3~5 years at 25°C ambient temperature) has been exceeded, the batteries must be replaced. In this case, please contact your dealer.