Hi,
Sorry to be posting so much at the moment, but this is alarming! I've had the sneaking feeling that my 6910 wasn't shutting down, since when I'd come back for another coffee, it always seemed to be still quite warm from the last time (several hours ago!). Well, I connected it up to an ammeter tonight, and it continues to cycle on and off at 5A, about 15 secs on and maybe 3 minutes off. Surprise, surprise! To be clear, this behaviour is when it has been turned off at the soft switch (no LEDs on), but is still on at the wall outlet. The steam wand side remains warm, especially over the ventilation ducts, and keeps the whole top plate toasty warm (!).
Is this normal? I would think not?
It seems from the schematic that if the thristor or whatever it is on the main board is permanently failed shorted (on), then it is just the safety thermistor cycling on the side of the steam thermoblock. Certainly, I can hear a soft click and clack as the element turns on and off (follows the 5A on and off).
Comments?
Thanks, Phil
Sorry to be posting so much at the moment, but this is alarming! I've had the sneaking feeling that my 6910 wasn't shutting down, since when I'd come back for another coffee, it always seemed to be still quite warm from the last time (several hours ago!). Well, I connected it up to an ammeter tonight, and it continues to cycle on and off at 5A, about 15 secs on and maybe 3 minutes off. Surprise, surprise! To be clear, this behaviour is when it has been turned off at the soft switch (no LEDs on), but is still on at the wall outlet. The steam wand side remains warm, especially over the ventilation ducts, and keeps the whole top plate toasty warm (!).
Is this normal? I would think not?
It seems from the schematic that if the thristor or whatever it is on the main board is permanently failed shorted (on), then it is just the safety thermistor cycling on the side of the steam thermoblock. Certainly, I can hear a soft click and clack as the element turns on and off (follows the 5A on and off).
Comments?
Thanks, Phil

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