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Trevor Bird avatar image
Trevor Bird asked

Conditions for Quattro in "Sustain" mode

Today I noticed a Quattro 24/5000/120-2x100 with firmware Version 508 entering sustain mode. I checked and the Sustain mode is not enabled on the Advanced page of the Configure 3 setup. This system does not have solar or wind. It is a simple marine system where all charging comes from engine alternator or generator or shore power.

I was under the impression that sustain mode only was initiated in ESS systems or when enabled on the advanced page of the Quattro using configure 3.

Have I missed something here or is it possible v508 has a slight bug?

Many thanks,

Trevor

MultiPlus Quattro Inverter Chargersustain
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Alexandra avatar image Alexandra ♦ commented ·

@Trevor Bird

What battery do you have?

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nickdb avatar image
nickdb answered ·

You're positive the assistant isn't installed, even if not in use?

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Trevor Bird avatar image Trevor Bird commented ·

@nickdb yes I am positive the assistant is not installed. No assitants are installed.

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Trevor Bird avatar image Trevor Bird Trevor Bird commented ·

screenshot-2024-03-14-at-102902am.png

The VRM indicates sustain for a short period.

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screenshot-2024-03-14-at-102902am.png (60.3 KiB)