Se400 Protection Mechanism; Troubleshooting Guide - Cotek SE Serie Manuel D'utilisation

4-5-3. SE400 Protection Mechanism

Over Voltage (DC)
Model
Shutdown
12V 16V ± 0.3V
24V 32V ± 0.5V
48V 64 ± 1V
Model
12V
24V
48V

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
LED flashes orange
light slowly with 5 short
beeps every 15
seconds
LED flashes orange
light every 0.1 seconds
LED lights red; following
two short beeps.
Inverter shuts down
after 3 minutes and
restart 3 times
LED lights red; following
two short beeps.
Under Voltage
Restart
14.5V± 0.3V
29V ± 0.5V
58V ± 1V
Table 24. SE400 DC input protection mechanism
Over Temperature Protection
Shutdown
80℃
Table 25. SE400 over temperature protection mechanism
Descriptio
n
Under
voltage
alarm
Over voltage
O/P over
load
O/P short
circuit
Alarm Shutdown
10.5V ±
10.5V ± 0.3V
21V± 0.5V 21V ± 0.5V
42V± 1V 42V ± 1V
Restart
60℃
Solutions
1.
k connections and cable.
2.
arge battery.
Check input voltage. Reduce input
voltage to meet SE200 / SE350.
Reduce load.
In case of restart failed, please turn on
the unit manually.
Check AC wiring, make sure no circuit.
In case of restart failed, please turn on
the unit manually.
Under Voltage
Restart
12.5V± 0.3V
0.3V
25V ± 0.5V
50 ± 1V
Chec
Rech
23