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Hi all,

 

I am new to Solar and we have recently had 2 x Deye 8KW inverters installed with 2 x BSL Lithium Phosphate Batteries (B-LFP51.2V 100Ah), in the morning with load shedding the inverters shutdown for a few minutes sometimes showing an error and sometimes not.

The errors when shown are as follows:

F56 DC_VoltLow_Fault on the master and F41 Parallel_System_Stop on the second unit.

There is a geyser that switches on at 5AM and off at 6AM, so I think that might been the cause, but I am not sure as the timing is for by a few minutes.

 

From what I've read the F56 relates to the battery configuration.

The one battery is connected via the fuse to positive and negative terminals, then the second battery is connected to the first battery.

 

The battery settings on the inverter are as follows:

 

Batt Mode: Lithium

Batt Capacity: 200Ah

Max A Charge: 50A

Max A Discharge: 90A

Activate Battery:  Ticked

Start: 30% (10%)

A: 40A (50A)

Grid Charge: Ticked

Grid Signal: Ticked

Lithium Mode: 00

Shutdown: 20%

Low Bat: 35%

Restart: 50%

 

Battery 1 dip switch is 1 up, the rest down, Battery 2 dip switch is 1 switch down, 2nd switch up and the rest down.

 

Then on the Work Mode, not sure if its configured correctly either. Currently configured as follows:

 

Grid Charge ticked for 1AM to 9AM

Grid Charge unticked for 9AM to 5PM

Grid Charge ticked for 5PM to 1AM

 

Power is all set to 8000 and Battery is all set to 95%

 

 

 

 

 

 

 

 

 

 

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