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Craig1980
@craig1980
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Joined: Nov 23, 2022
Last seen: Mar 2, 2025
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Topics: 5 / Replies: 141
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RE: E121 error code on Samsung 12kw gen 6

Out of curiosity how do you calculate the water law? Working backwards I can see how you might have got to 27 but not 27.3. I'm just trying to get my ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: E121 error code on Samsung 12kw gen 6

@derek-m okay. The user manual I stumbled across online as the fitters said they don't supply it as it's too complicated. 🙄 The other manuals were s...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: E121 error code on Samsung 12kw gen 6

Now running on for 6.5 minutes off for 2.5 minutes. Inverter pump runs at 100% for full 6.5 minutes. 2091, 2 and 3 are all set at #2 when set at ...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: E121 error code on Samsung 12kw gen 6

@derek-m okay, it would appear that you've worked it out! The values appear to be as I listed above. I am now on 2091 #2 It stopped for 2min 30 s...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: E121 error code on Samsung 12kw gen 6

@derek-m yeah, I'm in field settings in 2091 but there are 5 choices that you can scroll through. Not use Use signal only on/off Use (signal on...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: E121 error code on Samsung 12kw gen 6

@derek-m I've now set 2091, 2 and 3 to Room temp. On/off or WL interlink on/off (water pump 2). Am I right to assume this is value 2? I'm not sure h...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: E121 error code on Samsung 12kw gen 6

@derek-m they really do know how to make these things confusing, don't they. 🙈 I'll try those and report back. Thanks again.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: E121 error code on Samsung 12kw gen 6

@derek-m yes, system is working, still doing 20 secs - 8 min thing though. When the error shows is when you change "standard temperature" from water o...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: E121 error code on Samsung 12kw gen 6

@mike-h I'd be happy to run it on the wired controller rather than external stats. I'm led to believe that's how they like to run. I'm not using room ...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: E121 error code on Samsung 12kw gen 6

I did change these, but these settings are all back to what they were originally. I take photos on my phone of all settings before and after. That way...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
E121 error code on Samsung 12kw gen 6
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 30
Views: 12436
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RE: 12kW Samsung gen 6 short cycling

These might be beyond me to be honest. Although I can't see what results they would show. As in, I don't see where they might show the results.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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