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Can't get expobar office lever to start pumping water into boiler

Brand new expobar office lever. put tube into full water reservoir and turned on machine, water won't pump into boiler. Instructions say to remove plastic flange from bottom of reservoir, which may be the problem if I knew what a flange was, and where to find it. There's nothing on the reservoir at all. I appreciate your help very much.
Thanks so much, Shannon from Canada

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  • Anonymous Mar 31, 2014

    my expobar machine seems to be putting out too much water pressure. Is there a gauge anywhere inside the machine. Where can I purchase parts for my machine in china?



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You are right, there is no flange.Under the tank reservoir there is a switch (micro) if you lift the reservoir up you should hear the switch click on and off,.Sometimes the switch will hang up and stop the pump from coming on.Try that and let me know.


Posted on Feb 05, 2009


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I have a rancillio. The steamer works really well for about 15 seconds and then peters out???

Descale the boiler with citric acid.

  1. Turn off the machine and let it get cool
  2. Dissolve about a tablespoon of citric acid in the water reservoir.
  3. Turn on the machine and then pump about a cup of solution out of the boiler vent using the hot water switch.
  4. Turn off the switch. Close the vent
  5. Let the boiler heat up for about 5 minutes.
  6. Shut off the machine. Let the acid work for about 30 minutes.
  7. Check the level in the reservoir.
  8. Turn on the machine and then pump about a cup of solution out of the grouphead using the brew switch.
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  10. Repeat steps 5,6, 7, 8, and 9 until the water runs clear.
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If its pumping water its not the thermal fuse. Its probably the heating element. If it starts to build pressure but stops, its your vacuum breaker. It could also be your CPU is bad. Need a little more information to get a better handle on it.

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I have an 889 with the same leak problem. This happened after I descaled it. The water leaks from the small hole on the base at the back of the machine, directly below the reservoir. It must need a new...

Most likely you have developed a leak where the pump joins with the boiler. If you put descale chemicals in the reservoir then they may have been baked into the boiler and the backpressure has either ruptured or unseated the tube that leads into the boiler.

This is not a repair for amateurs.

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Water not filling into boiler from reservoir

Many posibilities for your problem. The two main posibilities are:
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2. The water in solenoid valve might be blocked from dirt or scale so must be cleaned

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Water comes from small spout below group when

Expansion valve, coffee grind might be too fine.

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Espresso machine repair

You will need a food grade, high temperature epoxy. Different types are available at the big hardware stores. Don't use low temp or non food grade, you could end up in the hospitel. Don't use any type of silicon.

There are a bunch of appliance parts websites that heve the sealant you need. Just look under Espresso Machine parts. The brand isn't critical.

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Water not pumping through, though steamer works and it makes noise.

You need to get the pump "primed" with water going through it.

If the machine is new or has not been used in a long time, the plastic feed tube(s) in the reservoir will be dry. You have to get the water to slowly creep up these tubes until it hits the pump inside, then the water/steam will come out the head and will keep coming out each time you use it until it dries out again.

I've had to re-prime my Via Veneto several times, and each time it seems like I'm doing it wrong and the machine is broken. But follow these steps and you'll get there.

1. Fill the reservoir with water and put the two tubes in it.
2. Turn on the boiler button (left-most of the two narrow ones)
3. Don't put the portafilter on, just leave the head bare.
4. Turn on the pump and let it run. Watch the water level in the plastic tubes. Understand that at this point, the pump is just pumping air, which it is not designed to do efficiently. As it pumps the air it slowly draws water up the tubes. Really slowly.
5. You can speed this up by putting a cup under the steam tube and opening the steam valve. This is while the brewing pump is still on. You will have hot water squirting out of the steam tube. You may see the water moving more quickly up the tubes.
6. The pump may have to run for several minutes. You'll get impatient and scared something is wrong, but just let it run. You'll see the water creep up the tube and go into the unit. Soon afterward pressurized water will start spraying out of the head.

Now, keep it primed for months by keeping water in the reservoir. If you use it only infrequently, run the pump and at least get some water moving every week or so.

I've tried silly things like holding the tubes upside down, trying to get water forced up into them, but in the end, just let the pump do the work and be patient.

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