Die Suche ergab 25 Treffer
- 31.10.2022, 19:07
- Forum: HomeMatic - english
- Thema: HM-Sec-SC-2
- Antworten: 0
- Zugriffe: 740
HM-Sec-SC-2
Dear all, My HM-Sec-SC-2 seems to be dead :-( A couple of days ago, it began to give a service message in the WebUI, probably because the batteries were dead. Unfortunately, after replacing the batteries, the device does not respond at all. The LED doesn't even blink. The new batteries are fine (alm...
- 11.12.2020, 16:18
- Forum: HomeMatic - english
- Thema: Minimum valve opening value for individual TRV
- Antworten: 37
- Zugriffe: 8862
Re: Minimum valve opening value for individual TRV
That is indeed very important: you need to block the driver before the pin in the valve is fully pressed into the radiator valve.
- 11.12.2020, 14:25
- Forum: HomeMatic - english
- Thema: Minimum valve opening value for individual TRV
- Antworten: 37
- Zugriffe: 8862
Re: Minimum valve opening value for individual TRV
I had the same problem with my Danfoss valves: They do not really open until the TRV reaches somewhere between 15 and 20%. I solved this by inserting some small metal rings (like a M3 nut) around the pin of the valve: this prevents the pin to be closed fully and thereby shifting the range of the TRV...
- 04.11.2020, 08:25
- Forum: HomeMatic - english
- Thema: HM-ES-PMSw1-PL is dead
- Antworten: 12
- Zugriffe: 2496
Re: HM-ES-PMSw1-PL is dead
Good news: I replaced diode D9 and now the switch functions again as it should
Thanks to everyone who provided hints and tips!
Thanks to everyone who provided hints and tips!
- 29.10.2020, 21:05
- Forum: HomeMatic - english
- Thema: HM-ES-PMSw1-PL is dead
- Antworten: 12
- Zugriffe: 2496
Re: HM-ES-PMSw1-PL is dead
An update: I bought a 50W soldering station and with that, I was able to desolder the fuse and the VDR. After I replaced both, the switch came back to life, just as you predicted :-) Everything is OK, except that the relais doesn't switch. I have desoldered that one too and found that it's OK. It sw...
- 17.10.2020, 22:36
- Forum: HomeMatic - english
- Thema: HM-ES-PMSw1-PL is dead
- Antworten: 12
- Zugriffe: 2496
Re: HM-ES-PMSw1-PL is dead
No, I'm not sure the relais is defect. I am sure that the measurement of (about) 0 ohm is correct, but that is with the relais soldered to the print. I'm not sure if it's the relais that causes the short-circuit, or another component near to it... (That's why I wanted to remove the relais) I measure...
- 17.10.2020, 19:58
- Forum: HomeMatic - english
- Thema: HM-ES-PMSw1-PL is dead
- Antworten: 12
- Zugriffe: 2496
Re: HM-ES-PMSw1-PL is dead
Stan, Don, Thanks for your replies. I did try a bigger tip and fresh solder, but that didn't help. I don't have a variable-temperature soldering iron, just a basic Antex 25W. (I also have a big 200W Weller, but that's a bit overkill I think.) Do you think a higher temperature iron will do the job? (...
- 16.10.2020, 18:53
- Forum: HomeMatic - english
- Thema: HM-ES-PMSw1-PL is dead
- Antworten: 12
- Zugriffe: 2496
Re: HM-ES-PMSw1-PL is dead
I checked the fuse and the resistor. The fuse seems blown: its resistance is infinite. The resistor R2 seems OK: it still measures 1KOhm. I do wonder why the fuse is blown. Can it be that the relais draws too much current (I measure 0 Ohm on the 12V pins)? I have tried to desolder the relais from th...
- 15.10.2020, 22:23
- Forum: HomeMatic - english
- Thema: HM-ES-PMSw1-PL is dead
- Antworten: 12
- Zugriffe: 2496
Re: HM-ES-PMSw1-PL is dead
Thanks for the schematic! I'll check both and post the results.
- 15.10.2020, 19:54
- Forum: HomeMatic - english
- Thema: HM-ES-PMSw1-PL is dead
- Antworten: 12
- Zugriffe: 2496
HM-ES-PMSw1-PL is dead
Hi all, Suddenly my HM-ES-PMSw1-PL stopped working. I was using a jigsaw connected to it when suddenly the power was cut. Even the led of the HM-ES-PMSw1-PL doesn't work anymore. It seems like a fuse has blown, however it doesn't seem to contain a fuse. I opened it, but saw nothing that seems to be ...