Cotek SE200-124 - SE400 Protection Mechanism; Troubleshooting Guide

23
4-5-3. SE400 Protection Mechanism
Model
Over Voltage (DC)
Under Voltage
Alarm
Under Voltage
Shutdown
Restart
Shutdown
Restart
12V
16V ± 0.3V
14.5V± 0.3V
10.5V ± 0.3V
10.5V ±
0.3V
12.5V± 0.3V
24V
32V ± 0.5V
29V ± 0.5V
21V± 0.5V
21V ± 0.5V
25V ± 0.5V
48V
64 ± 1V
58V ± 1V
42V± 1V
42V ± 1V
50 ± 1V
Table 24. SE400 DC input protection mechanism
Model
Over Temperature Protection
Shutdown
Restart
12V
80℃
60℃
24V
48V
Table 25. SE400 over temperature protection mechanism
4-6. Troubleshooting Guide
Warning! Do not open or disassemble the inverter.
Attempting to service the unit yourself may result in a risk of
electrical shock or fire.
 SE200 / SE350 troubleshooting guide
LED Signal
Descriptio
n
Solutions
LED flashes orange
light slowly with 5 short
beeps every 15
seconds
Under
voltage
alarm
1. Chec
k connections and cable.
2. Rech
arge battery.
LED flashes orange
light every 0.1 seconds
Over voltage
Check input voltage. Reduce input
voltage to meet SE200 / SE350.
LED lights red; following
two short beeps.
Inverter shuts down
after 3 minutes and
restart 3 times
O/P over
load
Reduce load.
In case of restart failed, please turn on
the unit manually.
LED lights red; following
two short beeps.
O/P short
circuit
Check AC wiring, make sure no circuit.
In case of restart failed, please turn on
the unit manually.