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Author Topic: Sunny Island Si4500 installer password  (Read 512 times)
ronsine
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« on: April 14, 2019, 01:31:44 PM »

Hi there,any of you knowledgeable members know how to get the installer password for the early Sunny Island Si 4500 inverter chargers?
Have put in a query to SMA nearly a week ago but no reply yet...I believe it is derived from a check sum using the unit date.
Can anyone confirm and pass on how it is calculated?
Thanks in advance.
Ron
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bautsche
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« Reply #1 on: April 14, 2019, 01:36:57 PM »

Hi Ron.

The configuration password on mine (different model though) is the sum of all the digits of the total run hours.

The installer password however is a different thing: To get what's called an SMA grid guard code, you need to apply to SMA, they will allocate you a personal code that's only for your own use. They seem to have started charging for those, too....

HTH
Eric
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ronsine
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« Reply #2 on: April 15, 2019, 10:18:16 AM »

Hi Eric,
Thanks for that but I believe that the Si 4500 is different in that it uses a check sum of the date somehow.
Regards
Ron
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Tinbum
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« Reply #3 on: April 15, 2019, 11:43:17 AM »

Hi Eric,
Thanks for that but I believe that the Si 4500 is different in that it uses a check sum of the date somehow.
Regards
Ron

day + month + year in a form of ID0000

so today would be 15 + 4 + 19

== ID0038
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ronsine
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« Reply #4 on: April 22, 2019, 11:23:39 AM »

Have tried every permutation I can think of to get the installer password with no success.
My Si 4500 has a six digit password screen with numbers only.
Anyone got any more ideas?
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