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8. Troubleshooting
Please pay attention to the following matters by regularly visual check to ensure the
power limiter is operating normally.
1. Clean the dust on the power limiter.
2. Check the operation and status of the power limiter.
3. Check all wiring to confirm there is no corrosion or breakage.
4. Check all the terminals and make sure they are not loose.
Referring to below table to resolve accordingly. If the problem persists, please
contact your local service partners for further assistance.
Abnormal
LED no display
LED in solid red color
RS485 disconnection
1. Check if the AC power is connected to the L1-N
position.
2. Switch off the AC power and switch on again.
1. Check if the direction of the CT buckle is on the
correct position.
2. Check if the CT +/- wiring is correct.
3. Check if the wiring of L1 / L2 / L3 voltage and
current are corresponding.
4. Check if the RS485 communication is operating
in normal (check if the green LED is flashing).
1. Check the wiring and connector.
2. Check if the IP address of inverter is configured
correctly, and shall not duplicate the same IP
address of the other inverter.
3. Check if the last inverter in the row connection
is set terminal resistor switch "ON" , and all the
remaining inverters shall switch "OFF".
If there is only one inverter, do not switch on
the terminal resistor.
4. Check if the cable is well twisted.
5. Keep the RS485 cable at least 10cm far away
from the AC and DC wires or use the cable with
metal shield isolation.
15
Solution
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