Hi, Just a few things for a struggling wannabe On turning my Oscar on, the element light turns on for about 2 seconds, there is a electrical hum from the Gicar and the water indicator and element light start flashing. I think the water light flashes on, Gicar then turns the element off. The water light flashes off, the Gicar turns the element on. I have changed Relay 3 and the transformer on the Gicar box. These two original parts had burn marks on them. The side where there are 7 wires is the AC side right? I checked the capacitor on this side and i get a reading of .5V AC. Is this too high? I checked the ribbon and i get about .5v DC. Is that right? This is with the machine power button off but the wall plug on. Yes, I know, I'm playing with a hot box. I changed relay 3. This did not fix the problem. I get a flashing water fill light. When the water light flashes on, the boiler goes off, and vice versa. After leaving it to flash for about 30 seconds, the new relay 3 burnt out because the led in the relay stopped flashing and the boiler light did not alternate on and off with the water fill light anymore. I changed the relay and the transformer. I still get the flashing on and off light from the water fill and boiler lights. The capacitor does not seem swollen. There are no other burn marks on the board. I have not touched relay 1&2 as I figured relay 3 would not work at all if there was a fault with 1&2. This could be wrong.
Here is a video of what is happening. https://www.youtube.com/watch?v=BBN5p9g-dgE&feature=em-upload_owner&noredirect=1 Do you have any suggestions? Thanks for your time,
I have never "rebuilt" the brains of the machine but I would start with the water tank / out of water circuit, is there a loose wire, bad connection etc? Start at the easy and normal stuff first, it is normal because it happens all the time then move on to the things that happen less often.
Just a thought, welcome to the board :D
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Something is shorting out but not all the time. It works fine until it tries "Something". My first assumption is that this "Something" is that it is trying to fill the boiler. We know the short isn't at the pump, because it runs without issue when you press the button.
Try pulling both circuit wires off of the boiler-fill solenoid's coil. it doesn't matter if you leave the ground or not, it's allowed to be shorted to ground. Situate the ends of the pulled wired somewhere where they can't touch anything, maybe a bit of tape over the tips if there's any chance of touching anything. And turn it on again... It obviously won't succeed in the boiler-fill attemt, but if this stops it from shutting off and on in jitters, then you know that coil of the boiler-fill solenoid is burnt/shorted. If this makes no difference, then we have to move on to suspecting the next possible component.
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