Question about Honeywell Humidifiers
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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Posted on Jan 02, 2017
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 ,
Posted on Jan 25, 2009
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
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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