# Samsung Gen7 PWM Pump?

**URL:** <https://community.openenergymonitor.org/t/samsung-gen7-pwm-pump/27299>\
**Category:** Heatpump\
**Tags:** samsung\
**Created:** [26 November 2024 19:26 UTC](https://community.openenergymonitor.org/t/samsung-gen7-pwm-pump/27299 "2024-11-26T19:26:55Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![glyn.hudson](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/glyn.hudson/32/35003_2.png) [@glyn.hudson](https://community.openenergymonitor.org/u/glyn.hudson)\
**Post date:** [4 December 2024 17:17 UTC](https://community.openenergymonitor.org/t/samsung-gen7-pwm-pump/27299/14 "2024-12-04T17:17:46Z")

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> [@Topaz](#):
>
> That would be wonderful, I guess it’s merely a USB RS485 adapter, or a sdcard (I know both methods work for firmware upgrade).

You need an S-NET dongle to update the FW:

> **[Samsung S-Net Pro Dongle MIM-CO2N](https://midsummerwholesale.co.uk/buy/samsung-heat-pumps/samsung-ehs-wifi-controller-kit-mim-h04ens-net-pro)**
>
> Samsung S-Net pro dongle for interfacing Samsung heat pump controllers to a computer or laptop

and SNET PRO software: [SNET Pro 2 Service Software | Downloads | Samsung HVAC](https://www.samsunghvac.com/Software-Downloads/SNET-Pro2)

You can see what firmware versions are available via the Samsung Partner Portal: [https://partnerhub.samsung.com/s/?language=en\_GB](https://partnerhub.samsung.com/s/?language=en_GB)

My FW updated is detailed in this post below, YMMV. I have a Gen6, so FW could be totally different for Gen7, check the hardware versions carefully before updating!

> [@Samsung MIM-C02N S-NET Pro Dongle](https://community.openenergymonitor.org/t/samsung-mim-c02n-s-net-pro-dongle/25418/5):
>
> No, apparently the UK Samsung technical don’t get to see any FW change logs themselves roll_eyes I have a AE050RXYDEG-EU heat pump. All I know is that updating my indoor controller MIME03CN (DB91-02103B) to 220614 seem to fix my pump PWM. It wasn’t modulating at all before, now it’s modulating correctly slight_smile My Main Micom (DB91-02091B) is running firmware 190704, the latest firmware for this is 221130. However, without a changelog and because my HP is working well, I’m a bit hes…

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