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Increase steam flow - Coffee Makers & Espresso Machines

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  • kakima Dec 14, 2014

    What make and model?

  • Inky Fingers
    Inky Fingers Dec 14, 2014

    Please add more detail to help us diagnose your issue better

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If the steam is slow to recover the most likely issue is scale build up on the water level probe on the boiler. Scale builds on the probe and the boiler over fills leaving less room for steam to build.
the probe is usually easy to remove and clean but this MUST BE DONE WITH THE MACHINE COLD AND ALL STEAM LET OUT.
If you are unsure take the machine to an approbed repair centre to avoid risk of scalding.

Posted on Dec 14, 2014

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Posted on Jan 02, 2017

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Why is steam flow poor?


cause steam loss, poor pressure control and result in energy loss,transfer potential through its impact on steam flow, steam temperature, and heat energy. House Office Carpet Residential Commercial Cleaning Geelong Commercial...
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Aug 24, 2015 | Black and Decker USA BLACK & DECKER Steam...

Tip

Ventilate error -


The following procedure works when you get the ventilate error:



The Ventilate sign can be due to one or more of the following reasons:
Cause 1- Water leaking from the inlet valve below the water tank. The hose from the inlet valve to the pump can be air locked. When using the hand pump, do not thrust its nozzle too deep
Cause 2- Blockage in the passage of water due to clogged passage anywhere between the pump and espresso delivery nozzle.
Cause 3- Pump is not working. Open steam/water outlet knob and hear the pump work. If you do not hear any noise from the pump, this may be the main cause.
Cause 4- Flow meter is faulty. This part is like the water meter for homes. It measures the flow of water and signals the electronic board. The malfunctioning flow meter will not send signals even when water is flowing through it.
Cause 5- Hose is disconnected and water is not flowing in the system.
Cause 6- O-rings at hose connection is leaking, reducing the water flow to be sensed by flow meter.
Cause 7- Boiler gasket is leaking. Reduces flow of water through the system.
Cause 9- Brew unit is blocked, blocking flow of water through the flow meter. This also causes pump to slow down and ultimately stop with muffled sound within 15 seconds.
Cause 10- Brew unit not connecting brew valve, preventing flow of water. Same sign under cause 9.
Cause 11- Steam is leaking. Registers reduced flow of water at the flow meter.
Cause 12- Solenoid valve is blocked or solenoid coil is bad. Same observation as cause 9.
Cause 13- Electronic Control board is bad. Though rare it can happen due to condensed water from leaking steam. When steam is leaking or boiler is leaking, machine should not be used any more to prevent steam shorting the Electronic board.
Some of the above causes can be checked and corrected before seeking technical help. Do not assume anything without physically checking each of the following:
1- Make sure the water tank is full. If the water tank has water level float, make sure the float is in its housing and it floats as water is filled in the tank. If the level float does not rise with the level of water, then replace the float.
2- Water is not leaking from below the tank. The inlet valve is good. If leakage is present, replace the gasket in the water inlet valve.
3- Prime the machine by opening the hot water knob for 20 seconds or pressing the hot water button. Hot water flow shows the boiler is not blocked with minerals and pump is good. The solenoid valve is good.
4- Water & steam flowing normal, check the brew group for blockage. Determine when was the last time brew group was cleaned. Clean the brew group as explained elsewhere on these pages. If the machine has pre-ground function, try making a fake espresso (without coffee). Make regular espresso in other models to make sure that water goes through brew group and espresso is dispensed.
4- If hot water does not flow because the pump is not activated, then pump is bad. Replace pump.
5- Pump starts to work but within few seconds its sound is muffled and finally stop. This indicates there is serious blockage in the water line or the boiler is clogged with mineral deposits. If water is leaking and seen on the counter top, the chances are that water is leaking from hose connections(replace O-rings) or the boiler is leaking from seams (replace boiler).
6- Prime the machine by opening steam outlet for 20 seconds. Steam flow shows that steam boiler / steam outlet is not blocked. If the steam does not flow, then steam boiler or steam passage is blocked. Replace steam boiler or steam valve
7- Check the solenoid valves to make sure that they open & close as the coil is energized. Solenoid valve is located between the pump and boiler. The pump is activated simultaneously as the solenoid valve when espresso selection button is pressed. Some models may have a solenoid valve near the steam valve. In these models, the solenoid valve is activated to allow passage for steam/hot water. If the valve is not functioning, the ventilate sign will appear.
7- Hear the pump work when priming the machine. Louder noise from the pump can be due to
** air-locked water hose, or
** water is not sucked from the tank or the pump is sucking air instead of water or
** the diaphragm inside the pump has lost flexibility and not developing pressure to push water forward
** the hydraulic system is blocked at one or more locations due to mineral sediment. Find the location and cause of the block and correct it.
** Clean the brew unit (see cleaning instructions) and make sure that
a- the ground coffee used is not powdery fine.
b- The dose of coffee grounds is not in excess specification
c- check if there is blockage. Find the cause and remove it.
8- If steam and hot water flow is normal, but the ventilate sign persists, then the flow meter or the electronic control board is bad. Replace flow meter or the control board, as necessary.

Try also the following:

  • Press hot water button once. Message on the screen will not change, this is normal.
  • Open the steam knob and allow the water to flow freely from steam wand into a cup. The screen should now read "Hot water,ventilate", you may need yo empty several cups of water before message changes. In some case it is necessary to refill the machine container without interrupting the operation.
  • As soon as the screen displays "hot water," turn the steam valve off .
  • If the machine warms up again, then problem is fixed.

on Jan 21, 2011 | Saeco Magic Comfort Plus Espresso Machine

2 Answers

Model h100id banging noise when turned on shuts off


VERY low water flow!
Or... No water flow.
This heater as all heaters do, need to have sufficient water flow thru them, or else they Bang like this.
This then creates a problem, for future banging - due to lime up!
The minimal water flow gets so Overheated, that it turns to steam! The steam knocks and pushes the heater around, then the Minerals will precipitate out of the water and forcefully attach to the inside walls of the heat exchanger! Which will then drastically reduce the inner diameter of the exchanger making a much smaller passageway for water to travel thru! This is a major problem to remain this way. It will then need to be dismantled and de-limed to increase the holes once more, and allow a proper water flow.

May 30, 2015 | Hayward 100,000 BTU Pool Heater H100ID1 -...

1 Answer

User manual for kelvinator extreme clean KD12WW


Need to check if Rinse Aid is not exhausted in the dispenser. It could also be necessary to increase the flow rate of rinse aid. Also make sure the dishwasher is heating water as some dishwashers use steam to dry. If heater is faulty the steam will not be there.

Apr 21, 2014 | Kelvinator Dishwashers

1 Answer

How to flush brown fluid water from Sunbeam Steam Master


Run a tank of 50/50 water and white vinegar through the steam cycly. Run two or three more tanks of plain water. This should clean it out safely.

Mar 13, 2013 | Sunbeam 4214 Iron

1 Answer

The steam in my handheld steam shot does not seem to be very hot therefore the surfaces, specially cloth ones do not get clean properly. What should I do?


If it steams it is as hot as it is going to get. Water steams at 212 degrees F at sea level so the only way to increase that heat is to pressurize that steam to a higher density than sea level which is about 32lbs per sq. in. Your steamer has no method to pressurize that steam to increase that heat. Conversely, as the pressure decreases, say you live in Denver which is about 5000 ft above sea level, then that steam will only get to about 203 degrees F. (See: http://whatscookingamerica.net/boilpoint.htm) Steam Cleaning at best is a poor method of cleaning as all it does is saturate the clothing item with water, which in theory loosens dirt, but no way is provided to remove the dirt. A rug shampooer has a vacuum that sucks the dirt away from the carpet along with the suds for a better cleaning method. In my opinion a hand steamer will only remove wrinkles at best.

Mar 20, 2011 | Bissell Vacuums

1 Answer

How can I increase the pressure for the steam wand?


If boiler pressure is set to about 1.2 bar on machine and you are getting no steam then check the nozzle on the steam wand, that might be blocked, before adjusting the pressure stat in the machine.

May 31, 2010 | EXPOBAR Brewtus II Redesign

1 Answer

Have made the manual adjustments to increase the water flow but no increase in flow out of the bubbler. Is there a filter or part that needs to be replaced to allow better water flow?


Have made manual adjustment to increase the water flow with not much change at the bubbler. Is there additional work that I can do to increase the the flow? I have siffient flow for supply but what comes out of the bubbler is barely drinkable. Possible a filter or other parts may need to be replaced?

Oct 18, 2009 | Elkay Water Cooler ADA Wall Hung 8 Gallons...

3 Answers

Polti 1500 no steam just droplets of water


Before trying anything else make sure you turn up the pressure control knob in the direction of the + sign if it is turned right down you will have steam in the system and the gun will be heard to click open the flow control valve but you will not get any steam because the control screw is set too low just turn it anti-clockwise to increase the flow and your good to go .I hope this helps I have one too and I some times forget to turn up the flow and wonder why for 3 minutes then realise that during storage and manuevering it gets turned down by accident and i turn it up and all is well again.

Jun 20, 2008 | Polti Vaporetto 2400 Canister Steam Vacuum

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