Sun21 MAX-M2024, Руководство пользователя

Страница: 24 / 34

★
When the internal temperature is 81
℃
, the reducing power charging mode which
reduce the charging power of 5%,10%,20%,40% every increase 1
℃
is turned on. If
the internal temperature is greater than 85
℃
, the controller will stop charging. But
while the temperature decline to be below 75 ºC, the controller will resume.
4.2 Troubleshooting
21
Possible reasons Faults Troubleshooting
PV array
disconnection
Charging LED indicator off during
daytime when sunshine falls on PV
modules properly Confirm that PV and battery
wire connections are correct
and tight
Battery voltage
is lower than
8V
Wire connection is correct, the
controller is not working.
Please check the voltage of
battery. At least 8V voltage to
activate the controller.
Battery over
voltage
Battery level shows
full, battery frame
blink, fault icon blink
Check if battery voltage is
higher than OVD(overvoltage
disconnect voltage), and
disconnect the PV.
Battery over
discharged
Battery level shows
empty, battery frame
blink, fault icon blink
When the battery voltage is
restored to or above LVR(low
voltage reconnect voltage), the
load will recover
Battery
Overheating
Battery level shows
empty, battery frame
blink, fault icon blink
The controller will
automatically turn the system
off. But while the temperature
decline to be below 55 ºC, the
controller will resume.
Load Overload
1. The load is no output
2.
Load and fault icon blink
①
Please reduce the number
of electric equipments.
②
Restart the controller.
③
wait for one night-day cycle
(night time>3 hours).
Load Short
Circuit
①
Check carefully loads
connection, clear the fault.
②
Restart the controller.
③
wait for one night-day cycle
(night time>3 hours).