27
32
Output Short Circuit
Beep Continously
Fault LED lit
33
Output Over Voltage
Beep Continously
Fault LED lit
34
Output Svr Over Voltage
Beep Continously
Fault LED lit
35
Output Low Voltage
Beep Continously
Fault LED lit
39
+Battery Over Voltage
Once per second
BATTERY LED blinking
41
+Battery Disconnected
Once per 2 Seconds
BATTERY LED blinking
43
+Battery Low Pre Alarm
Once per 2 Seconds
BATTERY LED blinking
45
+Battery Low Voltage
Once per second
BATTERY LED blinking
48
+Charger Error
Beep Continously
Fault LED lit
50
+Charger Over Voltage
Once per second
Fault LED blinking
52
+Charger Low Voltage
no
Fault LED blinking
57
Bypass Over Current
Once per second
BPS LED blinking
58
Bypass Voltage Abnormal
no
BPS LED blinking
59
Bypass Frequency Abnormal
no
BPS LED blinking
60
Bypass Overload
Once per second
BPS LED blinking
61
Bypass Overload Time Out
Once per second
68
Fan Inoperative
Beep Continously
Fault LED lit
69
Heatsink over temp
Beep Continously
Fault LED lit
71
Ambient Over Temperature
Once per second
Fault LED lit
72
Ambient Low Temperature
Once per second
Fault LED lit
80
RAM Error
Beep Continously
Fault LED lit
86
BMS Communication Error
Once per second
Fault LED blinking
95
EPO ACTIVATED
Beep Continously
Fault LED lit
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 “41”
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 “39”
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.
