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F01 shows. Fans abnormal stopped during startup
sequence
F02 shows.
F03 shows.
F04 shows. Battery voltage dropped to an extremely
low level
Phenomenon and/or Possible cause
F05 shows.
F14 shows.
F18 shows.
F21 shows.
F06, F07, F08, F09, F10, F11, F12, F13, F15, F16,
F17, F19 or F20 shows.
F22, F23, F24, F25, F26, F27 or F28 shows.
Output powered but buzzer beeps per second, RED LED flashing
W04 shows.
W05 shows.
W06 shows.
W07 shows.
W08 shows.
W09 shows.
W10 shows.
W11 shows.
Wi-Fi mark is not displayed.
Unit can't connect to the APP.
No function on USB charger ports.
No power from the USB charger ports.
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INFOSEC UPS SYSTEM - 15, rue du Moulin - 44880 Sautron - FRANCE - www.infosec-ups.com - Hot Line/Tel + 33 (0)2
40 76 15 82 - Fax + 33 (0)2 40 94 29 51 - hotline@infosec.fr – 10 24 AA 59 203 04
Please contact service center to replace them.
Configure the PV panels lower than 450V.
Disconnect the Utility and PV power. Then, re-apply
again. If over-voltage alarm still, suppose the internal
charger with some problem, please contact with
service center to repair it.
Please contact the service center to check if battery
still in warranty period.
What to do
Check and verify if there is any load with short circuit
condition? Remove the load and restart the unit
again. If problem exist still, please contact the service
center to repair.
Clean the anti-dust filter and keep the unit installed
in a well-ventilated environment.
Reduce the applied load and restart the unit again.
New firmware is not compatible with the unit, please
contact with service center to correct it.
Please restart the unit again. If problem exist still,
please contact the service center to repair.
Please check if the parallel cable connected firmly.
Restart the unis, if problem exist still, please contact
with service center.
Charge the battery.
Reduce the load.
Utility voltage lower to a certain level, the output
rating will be limited.
Reduce load will release the warning.
Clean the anti-dust filter and keep the unit installed
in a well-ventilated environment.
Fans abnormal stopped during operation. Please
contact service center to replace them.
BMS communication disconnected. Please contact
service center to repair it.
Internal communication disconnected. Please contact
service center to repair it.
Check the Wi-Fi function enabled and icon available
on the LCD then follow the Wi-Fi installation
procedure to pair the Wi-Fi module with router and
APP.
Check whether the USB charger function is enabled.
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