28
Bypass Frequency Abnormal
4.
Troubleshooting
If the UPS system does not operate correctly, please solve the problem by using the
table below and theTrouble Shooting Chart.
Symptom Possible cause Remedy
Alarm code is shown as ā41ā
and battery led blinking.
The external or internal
battery is incorrectly
connected.
Check if all batteries are
connected well. Whether the
battery voltage is low due to
the long service life of the
battery;
Alarm code is shown as ā39ā
and battery led blinking.
The battery voltage of the
connected battery pack is
too high, the charger fail,
or the jumper cap model
of the control board is not
configured correctly;
Contact your dealer.