question

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mspringer asked

MPPT ERROR 20 - BULK TIME EXCEEDED

Err 20 - Maximum Bulk-time exceeded

Does anyone know how to disable the bulk time protection on a 150/35? Both of the units in the Easy Solar are doing this on a cloudy day and then have to be manually reset. I'm not sure how it was turned on as the default for it is to not be enabled. Can't find this option in mppt prefs, or Victron Connect

Notes from Victron live are.... This error can only occur when the maximum bulk-time protection is active. This error will not auto-reset. This error is generated when the battery-absorption-voltage is not reached after 10 hours of charging. Our advice is to not enable it on solar chargers.

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mvader (Victron Energy) avatar image mvader (Victron Energy) ♦♦ commented ·

Hi @mspringer, what firmware version is in those mppts?

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mvader (Victron Energy) answered ·

Regardless of the firmware version: you can do a reset to factory defaults, that will disable that setting.

Its been removed a long time ago, as it doesn’t make sense on a solar charger. I will also update that page on live, thanks!

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mspringer avatar image mspringer commented ·

Thanks Matthijs for your prompt response. Greatly appreciated

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