8.3 Turn On/Off The Inverter
Boot order:
1. Turn on the breaker on AC side.
2. Turn on the DC switch.
3. Turn on the breaker on DC side.
Note: If there's no switch, only need to do step 1 and step 3(please skip step 2).
Shutdown order:
1. Turn off the breaker on AC side.
2. Turn off the DC switch.
3. Turn off the breaker on DC side.
Note: If there's no switch, only need to do step 1 and step 3(please skip step 2).
8.4 Checking The Electrical Connection
1. Check if the AC or DC wire is loose.
2. Check if the earth wire is reliably grounded.
3. Check if the waterproof covers of RS485 and USB port are fasten.
Note: Maintenance cycle is once every half a year.
8.5 Fuse Replacement
If the inverter fuses are broken, replace them quickly, the steps are as follows:
1. Disconnect the circuit breaker on the AC side.
2. Rotate the DC switch to the "OFF" position.
3. Disconnect the front-end circuit breaker of PV input terminal or pull out the PV input terminal.
4. Wait at least 10 minutes.
5. Open the junction box's cover on the bottom of inverter.
6. Confirm that the fuses are broken.
7. Remove the broken fuses on vertical direction which
is shown in the right figure and don't remove fuses
by prying or other methods.
8. Install the fuses which should be the same model
from the same company, to the corresponding fuse
holders.
9. Install the junction box cover on the inverter.
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