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- ons 12 dec, 2018 15:49
- Kategori: Ulma
- Tråd: Ulma 2000 tändfel
- Svar: 4
- Visningar: 3238
Re: Ulma 2000 tändfel
Well I 'bit the bullet' and called Ulma direct. The expert there said it is the fotomotstånd, as the PLC's never go wrong. He said if the start value is wrong (it should be zero) but I've watched it on startup and it goes up and down until the burner is properly alight. It certainly doesn't start at...
- tis 11 dec, 2018 20:14
- Kategori: Ulma
- Tråd: Ulma 2000 tändfel
- Svar: 4
- Visningar: 3238
Re: Ulma 2000 tändfel
Thanks for your answer! No, the new fan makes no difference. I cleaned up the burner during summer and put in a new heater (it has a wire element like a heat pistol). I only use it at weekends which is how I discovered it sometimes starts from complete cold (10 degrees water temp) with slow fan spee...
- mån 10 dec, 2018 20:34
- Kategori: Ulma
- Tråd: Ulma 2000 tändfel
- Svar: 4
- Visningar: 3238
Ulma 2000 tändfel
Hope someone can help me! My swedish is not good, so will try in english. The burner is from ca. 2007, sometimes when starting from complete cold, the fan only turns slowly and the pellets won't light. Switching on and off would cure the problem. So I thought maybe the fan was weak so replaced it. B...