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PIP Inverter Error "error 09" bus soft start failed
#1
PIP Inverter Error "error 09" bus soft start failed

ISolar SM 5kw 48vdc = EASUN POWER 5000W Solar Inverter 80A MPPT Off Grid Inverter 48V 220V Hybrid Inverter Pure Sine Wave Inverter 60A Battery Charger



Need your help. The inverter ran without problems batteries at about 57V (14S) and solar was at zero in time because not connected (solar is connected to the PCM60x). Consumption was at about 300Watt / 230V. According to SolarPI everything was ok all day.

But then something must have happened at 16.30 o'clock because the fuses for the batteries and also the solar fuse from the PCM60x flew out.

The inverter was of course without batteries.

I tried to start the inverter normally after switching the fuses back on.

The inverter also starts normally. But reports dan error 09 "bus soft start failed.

And the 230V is not there.

Has anyone with the error 09 already experience and can help me please.

Thanks in advance to all who help me

Greetings Dirk

Please, please, please
Thank you thank you thank you
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#2
Maybe one of you can help me.

On the motherboard, a diode is apparently defective.
Designation on the diode is only GFZ without manufacturer and without values. The mounting space is labeled TVS.

The board is the new model (with the ID 16-500558-02G)
Inverter 5kva / 48v
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#3
You might get away with just replacing all of the failed diodes, just pick a generic one that matches the input voltage.

https://en.m.wikipedia.org/wiki/Transien...sion_diode
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#4
(05-17-2019, 04:18 PM)Sean Wrote: You might get away with just replacing all of the failed diodes, just pick a generic one that matches the input voltage.

https://en.m.wikipedia.org/wiki/Transien...sion_diode

But my problem is already that has no label except "GFZ" without manufacturers and without values!

Can someone help me with the Type / manufacturer and value.
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#5
That's why I suggested a generic TVS ...... in the absence of the exact specification.
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#6
(05-17-2019, 05:01 PM)Sean Wrote: That's why I suggested a generic TVS ...... in the absence of the exact specification.


I do not quite understand that with "generic TVS".

Can you tell me one (Type Manufacturer Model) and link.

Huh
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#7
Here's a pdf a lot of them:
https://www.littelfuse.com/~/media/elect...og.pdf.pdf

You can probably match the size/shape from the ones in the catalog and as Sean says, match the input voltage. You could take one of the good ones off and measure the voltage drop to help narrow down those exact ones, perhaps.

Btw, I just did a quick Google Search with "GFZ diode"
https://www.google.com/search?q=GFZ+diod...e&ie=UTF-8
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#8
(05-17-2019, 06:11 PM)Walde Wrote: I do not quite understand that with "generic TVS".

Can you tell me one (Type Manufacturer Model) and link.

Huh

SMCJ51A
Walde likes this post
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#9
OK thank you for the info.
Get the TVS Diodes now at Mouser.com.
They have the TVS SMCJ51A (identification GFZ).
In Germany, the ESD suppressors diodes.
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#10
Interestingly, there is only 1 GFZ and 1 SMCJ51A listed in the pdf as well.
Proceed with caution. Knowledge is Power! Literally! Cool 
Knowledge is Power; Absolute Knowledge is Absolutely Shocking!
Certified 18650 Cell Reclamation Technician

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