all buttons frozen

Discussion about the MX60 Charge Controller

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raysun
Forum Emperor
Posts: 8271
Joined: Tue Jul 26, 2016 5:57 am
My RE system: Flexpower Two: (2) FXR3048A-01 - Parallel Stacked, (2) FM80, MATE3s, FlexNetDC
6 SimpliPhi 3.8-48 (48v @ 75AH. 450AH total)
Outback IBR3 battery enclosure
REC Alpha 440W panels - 2 arrays: each of 4 strings of 2 in series
2 Midnite Solar MNPV6 combiners w/20A DC disconnects.
Honda EU7000is gas fuel generator
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Re: all buttons frozen

Post by raysun »

Good luck!
bajarick
Forum Member
Posts: 20
Joined: Tue Jun 10, 2008 9:30 am
My RE system: 24V Outback inverter, mx60, 8 400 Ah Surrettes, 2 KC 120 panels, 2 KC 125 panels, 2 Matrix/Photowatt 165 panels (24V), 4 205 watt Evergreen panels
Location: Southern Baja, Mexico

Re: all buttons frozen

Post by bajarick »

Finally got back around to getting the new soft keys in. I cut off the little washer/nuts on the pins using a dremel tool. Little scary but I couldn't find anything to squeeze them off with. Replaced the keys and put some light sensitive glue on the pins to keep it in place. Hooked it up and it's like new....at least the keys! Doing some balancing with the new Flexmax 80 but it's working again. If you are having the key problem it will work again!
raysun
Forum Emperor
Posts: 8271
Joined: Tue Jul 26, 2016 5:57 am
My RE system: Flexpower Two: (2) FXR3048A-01 - Parallel Stacked, (2) FM80, MATE3s, FlexNetDC
6 SimpliPhi 3.8-48 (48v @ 75AH. 450AH total)
Outback IBR3 battery enclosure
REC Alpha 440W panels - 2 arrays: each of 4 strings of 2 in series
2 Midnite Solar MNPV6 combiners w/20A DC disconnects.
Honda EU7000is gas fuel generator
Off-Grid

Re: all buttons frozen

Post by raysun »

Since the MX60 and FM80 use such different charging algorithms, how are the two made to coordinate?
bajarick
Forum Member
Posts: 20
Joined: Tue Jun 10, 2008 9:30 am
My RE system: 24V Outback inverter, mx60, 8 400 Ah Surrettes, 2 KC 120 panels, 2 KC 125 panels, 2 Matrix/Photowatt 165 panels (24V), 4 205 watt Evergreen panels
Location: Southern Baja, Mexico

Re: all buttons frozen

Post by bajarick »

I have old surrette lead acid batteries. I just set the absorb point lower on the mx. When I had them the same the 80 would go to 0 amps around the end of the absorb time. Going to
lithium when these batteries give up so I'll have to have the charging more consistent. Debating whether to go to 48 volts when I go to lithium, or get another fm. Sure wish the keys would update!
raysun
Forum Emperor
Posts: 8271
Joined: Tue Jul 26, 2016 5:57 am
My RE system: Flexpower Two: (2) FXR3048A-01 - Parallel Stacked, (2) FM80, MATE3s, FlexNetDC
6 SimpliPhi 3.8-48 (48v @ 75AH. 450AH total)
Outback IBR3 battery enclosure
REC Alpha 440W panels - 2 arrays: each of 4 strings of 2 in series
2 Midnite Solar MNPV6 combiners w/20A DC disconnects.
Honda EU7000is gas fuel generator
Off-Grid

Re: all buttons frozen

Post by raysun »

bajarick wrote: Sun Jul 17, 2022 12:16 pm I have old surrette lead acid batteries. I just set the absorb point lower on the mx. When I had them the same the 80 would go to 0 amps around the end of the absorb time. Going to
lithium when these batteries give up so I'll have to have the charging more consistent. Debating whether to go to 48 volts when I go to lithium, or get another fm. Sure wish the keys would update!
My $0.02...
The MX will present a hazard for charging lithium. If investing $$$$$ in that battery chemistry, consider investing $$ in a 2nd FM80 as a technology upgrade and cheap insurance.
bajarick
Forum Member
Posts: 20
Joined: Tue Jun 10, 2008 9:30 am
My RE system: 24V Outback inverter, mx60, 8 400 Ah Surrettes, 2 KC 120 panels, 2 KC 125 panels, 2 Matrix/Photowatt 165 panels (24V), 4 205 watt Evergreen panels
Location: Southern Baja, Mexico

Re: all buttons frozen

Post by bajarick »

Agree on lithium switch and the mx! If I go to 48 volts I'd switch inverters then I'd only need one cc.
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