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I installed a Honeywell he240- also have a problem with the unit running. The humidistat clicks and there is 24 V to the solenoid. What can cause the solenoid not to activate?

It started up ok but then water stopped flowing. The humidistat clicks and there is 24 V at the terminals to the solenoid but the solenoid does not activate. The hoses to the return and supply ducts are attached per the directions. There is insulation lining the supply duct in the area where the hose is attached. I cleared the area of insulation but the tip of the insert into the duct does not go out into the airflow past the insulation. Could that interfere with the operation of the solenoid? The other line is actually internal to the unit. Do these lines go to a pressure switch of some kind that control the solenoid? If so, what does that switch monitor? How can I address the issue? Can anything else cause the solenoid not to function?

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Anonymous

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Posted on Jan 02, 2017

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mrgrzz

Dale Koehn

  • 88 Answers

SOURCE: Water does not pass through solenoid

Thanks for your question,
first you need to determine if you have 24 volts from the transformer, if you have knowledge of electrical meters then this should be fairly easy, if not then you will need to do a little rewiring to find out if it is the solenoid, first you will need to do is shut the power off to your furnace, then get some t-stat wire, long enough to reach from the solenoid to the transformer, splice together the new wire to the wire from the solenoid, now take the other end of the wire, take the leads off the transformer (low voltage side) and hook the new leads to it, make sure the water is on, now turn the furnace back on, and if the solenoid is good the water will flow, if it doesnt, then you will need to replace the solenoid, if the solenoid does work then you know your problem lyes with the Humidistat, and you will have to replace that, but you need to determine if you have 24 volts from the transformer first, hope that helped, let us know and please rate this, thanks again ,
mr.grzz

Posted on Jan 25, 2009

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Anonymous

  • 22 Answers

SOURCE: Honeywell HE260 leaks somewhere

Neither, even if the solenoid or humidistat stick, it should always drain properly. Is the unit mounted on the cold air return duct or the supply plenum? If it's mounted on the supply plenum, the water panel might be getting blown forward and spilling the water. High efficient furnaces also can leak water on the floor if its drain is restricted. If hum. is mounted on return duct make sure drain is clear by blowing through it. On Honeywell hum's I've seen the rubber hose from the solenoid valve to the distributor tray leak too, check the rubber 1/4" hose.

Posted on Jan 21, 2010

andrewl901

Andrew Lohbihler

  • 505 Answers

SOURCE: Honeywell he240 no longer working. It is less than 2 months old. I noticed water had stopped flowing out of drain tube. The filter tray is not filling up with water. Humidistat clicks when turned up a

Maybe the hose is blocked. Take the hose off the supply side, and blow into just enough to add pressure to it and see if that works.

Try this site for more details or a similar issue:

Honeywell HE240 new install not working

Posted on Feb 12, 2015

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1 Answer

Honeywell he240 no longer working. It is less than 2 months old. I noticed water had stopped flowing out of drain tube. The filter tray is not filling up with water. Humidistat clicks when turned up and...


Maybe the hose is blocked. Take the hose off the supply side, and blow into just enough to add pressure to it and see if that works.

Try this site for more details or a similar issue:

Honeywell HE240 new install not working

Feb 12, 2015 | Honeywell Humidifiers

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I have a h6062a1000 humidistat that does not turn on my humidifierundefined


You will need a multimeter to check if the humidifier is receiving 24 volts from either the furnace control board or transformer. If you have 24 volts to the solenoid, but does not open, then the solenoid valve will need to be replaced.

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Check to see if there is 24 volts at the transformer when the blower motor kicks on, if not the transformer will need to be replaced. If you do have 24 volts then work you way from the transformer toward the solenoid and see where the voltage stops, could be the humidistat.

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Wire Honeywell HE220 to N8MPN/L, *8MPN/L furnace control board


HI

I have similar isssue with HE220 but in my case the water run through all ththe time, even when unplugged from the power outlet.
Would that be solenoid issue?
the unit run fine for last season so the wiring is fine.

Any ideas would be greatly appreciated.

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1 Answer

The solenoid valve is not working


Hello, if you are getting 24 volts to the solenoid valve and it is not working replace it. However, if you are not getting 24 volts check the humidistat, transformer, and wiring.

Mar 23, 2011 | Honeywell HE360A1027 Whole House...

1 Answer

No humidity in the house


Hello, the first to confirm is if you are receiving 24 volts at the transformer, if you are then check for 24 volts going into the humidistat and out of the humidistat, if voltage is confirmed there then check if your solenoid is recieving 24 volts, if it is and the solenoid is not letting water into the humidifier than your solenoid is bad and must be replaced. If you do not have 24 volts at the transformer then turn off power to the transformer and set your meter to read continuity, you should have resistance if not the transformer is bad and must be replaced. If you have power to the humidifier and not humidifieing properly then you have to set the humidistat according to what the outdoor temp is, the outside temp determines what setting and % of humidity you should have in your home. Here is a what it should be
-20 set to 15%
-10 set to 20%
0 set to 25%
10 set to 30%
20 set to 35%
above 30 set to 40%

Jan 25, 2011 | Honeywell HE365 Humidifier

3 Answers

Humidifier will not turn on (no fan, no water flow)


http://www.appliancefactoryparts.com/humidifiers/helpcenter/breakdowns/honeywell/honeywell-he360a1027.html
A breakdown diagram of parts etc above.
http://www.appliancefactoryparts.com/content/pdfs/110672-4.pdf
Shows you the HE360A.
To me it sounds like it is wired incorrectly, the solenoid should NOT get too hot at all. The PDF above shows wiring data.

Apr 03, 2010 | Honeywell HE360A1027 Whole House...

1 Answer

Honeywell HE260 leaks somewhere


Neither, even if the solenoid or humidistat stick, it should always drain properly. Is the unit mounted on the cold air return duct or the supply plenum? If it's mounted on the supply plenum, the water panel might be getting blown forward and spilling the water. High efficient furnaces also can leak water on the floor if its drain is restricted. If hum. is mounted on return duct make sure drain is clear by blowing through it. On Honeywell hum's I've seen the rubber hose from the solenoid valve to the distributor tray leak too, check the rubber 1/4" hose.

Dec 28, 2009 | Honeywell HE260A1010 Whole House...

1 Answer

I have a Honeywell House humidifier HE 225A-1006.


In order of probability:
1) (incorrect wiring) Make sure that humidistat is in SERIES wired with the furnace.
2) (shorted wires) Check that two wires to humidistat are not touching...use your glasses if you need them!
3) (bad humidistat) disconnect the humidistat and put an ohmmeter accoss the two terminals when it is turned on you should read 0 ohms, and when off it should read infinate ohms, if not pass both these tests, you need new humidistat.
That is it, there are no other possibilites!

Oct 12, 2009 | Honeywell HE220A1019 Whole House...

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