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ukxan avatar image
ukxan asked

Low production after warranty replacement of MPPT RS 450/100 after error #200

Hi Everyone

My system has an easysolar 48/300 gx II with MPPT RS 450/100

Unfortunately it developped error #200 and dealer replaced unit as per warranty

However Ive noticed since adding it to system the solar production is veery low down to barelt 1 to 2 kw per day

I have 2 strings of 7x canadian solar 410 w on the 450/100

attached is todays production

I would appreciate any advice please

many thanks !

ps

I have updated firmware of all items to latest ones

1701967080803.png


mppt rs
1701967080803.png (420.3 KiB)
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nesswill avatar image nesswill commented ·

Latest firmware 1.15 or the 1.16 beta 1 here 1.16

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ukxan avatar image ukxan nesswill commented ·
1.15
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Alexandra answered ·

@ukXan

Since the set up would have been disturbed rather alot with the replacement.

Check connections, polarity and make sure the programming is correct.

V max on the battery is 50.67v what is the target voltage? Is it reading the battery correctly?

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ukxan avatar image ukxan commented ·
all connections are identical to previous unit

all battery settings etc are ext controlled by BMS as unit is slave


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