User manual

Protection and troubleshooting
1. Battery low voltage
Alarm/protection Signals Battery voltage Trouble shooting
Low voltage alarm LED orange flashing
slowly, buzzer beeps
11.0/22.0 V Charge battery or
check the
conductor
connection
Low voltage shut
down
Red LED flashing slowly 10.5/21.0 V
When the input voltage raises to 12.8/25.6 V, the inverter will reconnect automatically and
resume operation.
2. Battery high voltage
Alarm/protection Signals Battery voltage Trouble shooting
High voltage alarm Orange LED flashing
quickly
15.0/30.0 V Check the battery
High voltage shut
down
Red LED flashing quickly 16.0/32.0 V
When the input voltage goes below 14.5/29.0 V, the inverter will reconnect automatically
and resume operation.
3. Over load and short circuit protections
Alarm/protection Signals Trouble shooting
Over load alarm Load Level LED flash, buzzer beep Check the AC
wiring, reduce the
load
Over load or short
circuit protection
Status LED red, Load Level LED off
When entering protection “status”, turn off the inverter, then turn on again to reconnect the AC
output.
4. Over temperature protection
Alarm/protection Signals Interior
Temperature
Trouble shooting
Over temperature
protection
Status LED red
flashing quickly twice
every 1.6 seconds
55±5 ℃ Improve the ventilation,
or reduce the ambient
temperature
When the inverter interior temperature returns below 45±5 , the inverter resumes normal℃
operation.
WARNING: Do not open or disassemble the Inverter. Attempting to service the unit by
yourself may result in risk of electrical shock or fire hazard.
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ENG