13
UK
TROUBLESHOOTING
Faults
Possible reasons
Troubleshooting
LED Charging indicator
turn off during daytime
when sunshine falls on
PV modules properly
PV array disconnection
Confirm that PV and battery
wire connections are correct
and tight.
No LED indicator
Battery voltage maybe
less than 8V
Measure battery voltage with the
multi-meter. Min. 8 V can start
up the controller.
Charging status LED indi-
cator fast flashing
Battery over voltage
Check if battery voltage is higher
than OVD, and disconnect the PV.
LED 1 Fast flashing
Battery over discharged
When the battery voltage is res-
tored to or above LVR point (low
voltage reconnect voltage), the
load will recover.
Load status LED indica-
tor slowly flashing
Load over load
*
1
*
1
Please reduce the number of
electric equipments.
*
2
Press the
button or repower the controller.
Load status LED indica-
tor fast flashing
Load short circuit
*
1
Check carefully loads connec-
tion, clear the fault.
*
2
Press the
button or repower the controller.
*
1
The overload current is ≥1.02 times, 1.05 times, 1.25 times, 1.35 times, 1.5 times
the rated load current, the controller will automatically cut off the output after 50s,
30s, 10s, 2s and 0.5s.
Carbest
Power Solar Panel 120 |
82506
