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Hello
I know I'm annoying, but you still did not answer my question, Im looking at shematic of 2018 leaf ptc system, and I cannot see any wires that could tell ptc heater how much heat we need so the level of power must be controlled by a power transistor inside battery??
But that is strange?
Please help

Best regards

Borut
P
pirpy
My question is , is the ptc output on the battery, connected to the same contactor as main power output?
Dala
Dala
Yes the wires are connected to the same contactor as the main battery. But the wires are extremely thin compared to the main battery wires. It is here on this picture on the bottom right. Small fuse and red wires.
1638354170879.png
Hi,

I have one solarix, li 2400w 24v .

the system working well, the last week I have one problem with one battery , I change this battery to one new ,

now when a switch on, the inverter after few minutes star long beep with ( fault code 52 ) this code is mean ( dc bus voltage is too low) .

who can help me , how I repair this situation ?

thank you 🙏

best regards

Carlos

Portugal
R
Redpacket
Maybe check connections good?
Maybe check battery voltage when inverter off?
Maybe check battery voltage when inverter on + beeping?
Maybe check each cell in battery = fully charged.
Let us know what voltages you measure?
C
Csimoes08
Thank you your good information, was very important to find my problem.

I think the may problem is , I have 2 battery 12v but with different capacity.

after chargers the two battery’s , the working perfect but sort time , when the battery goes down , the system generate again the information “ code error 52”
So , I need by 2 battery with same capacity .
R
Redpacket
Yes, your two batteries in series should be close/same capacity.
Hi! I think we spoke about these LG batteries a while back. Are you using them in your off-grid storage? JH3

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