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sunbee SBMPPT40ABT - Troubleshooting, Protection and Maintenance; Trouble Shooting

sunbee SBMPPT40ABT
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2. Street Lamp Function
When the load is set to Dusk to Dawn or Evening mode, the Day/Night threshold voltage and the
Day/Night delay time can be set using the Bluetooth APP, and the load can be turned on or off by the test
function during the day charging process.
2.1 Day/Night threshold voltage
The controller recognizes day and night based on the solar array open circuit voltage.
This day/night threshold voltage can be modified according to local light conditions and the solar array
used.
Day/Night threshold setting range: 3.0~10.0/6.0~20.0/9.0~30.0/12.0~40.0V (Default: 8/16/24/32V)
2.2 Day/Night delay time
In the evening, when the solar array open circuit voltage reaches the setting day/night detect voltage, you
can adjust the day/night delay time to make the load turn on a little bit later.
Day/Night delay time setting range: 0~30min (Default: 0min)
2.3 Test Function
When the controller is working in Dusk to Dawn or Evening mode, press the MENU key for 3s to turn on
the load. Press the MENU key again or the load turns off automatically after 1 minute.
If the controller is operating in always on mode, the test function does not work.
3. User-defined Mode
①If the load mode is selected "USE", then you can switch on and off the load output manually by pressing
MENU shortly.
②The default switching state of the load in manual mode can be changed using the Bluetooth APP. At the
same time, the output to the load can be turned on or off.
1. If the controller turns off the load due to low voltage protectionovercurrent
protectionshort-circuit protection or over temperature protection. The load will turn
on automatically when the controller recovers from protection state.
2. Please note: Pushing the MENU button can still activate the function of the key, even
during any of the above four protection states.
7.1 Trouble shooting
Faults
Reason
Troubleshooting
Short Circuit
Switch
off
all
loads,
remove
short
circuit,
load
will
be
reconnected
after
1
minute
automatically
Over Current
Reduce the load, the controller will resume work
after 1minute.
Battery voltage is too low
Load will be reconnected when battery is recharged.
Battery voltage is too high
Check if other sources overcharge the battery or battery
parameter is set correctly.
Over temperature
After the temperature decreases, the controller will
work normally.
Battery voltage is abnormal
at start-up
Charge or discharge the battery so that the battery
voltage is within the normal operating range (8.5~15.5V
or 20~31V or 31~42 or 40~62V).
7, Troubleshooting, Protections and maintenance