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Humidifier won't kick on #4557149
10/28/17 10:58 AM
10/28/17 10:58 AM
Joined: Nov 2008
Posts: 126
IL.
jay929 Offline OP
jay929  Offline OP
Joined: Nov 2008
Posts: 126
IL.
I have a whole house humidifier on my furnace. Only 1 year old and sounds like the solenoid isn't kicking on and giving it water

Re: Humidifier won't kick on [Re: jay929] #4557196
10/28/17 11:38 AM
10/28/17 11:38 AM
Joined: Jan 2013
Posts: 2,068
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,068
Texas
Check to see if the solenoid is receiving voltage , with a volt meter . Then check to see if it is drawing amperage , with an amp meter .

Best of luck to you , :-0


Wyr
God bless
Re: Humidifier won't kick on [Re: jay929] #4557204
10/28/17 11:44 AM
10/28/17 11:44 AM
Joined: Nov 2008
Posts: 126
IL.
jay929 Offline OP
jay929  Offline OP
Joined: Nov 2008
Posts: 126
IL.
Ok I checked to see if it's receiving voltage and it's reading like 5.5 Should be 24 right?

Re: Humidifier won't kick on [Re: jay929] #4557219
10/28/17 11:56 AM
10/28/17 11:56 AM
Joined: Jan 2013
Posts: 2,068
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,068
Texas
Is the solenoid warm / hot ?

Can you measure the amperage ?

Either 120 VAC or 24 VAC . You are reading 5.5 VAC ? Can you get to the wires going to the solenoid , detach them and check the voltage on them , not connected to the solenoid ? I am guessing it should be 24 VAC . If so , I am guessing the moving part that is moved by the electromagnetic field of the coil , is " stuck " . This will cause the coil to draw higher than normal amperage , possibly dropping the the voltage .

If the voltage in the wires , no load , is significantly below 24 VAC , then there may be a problem with the device switching the circuit to the solenoid , causing higher than normal internal resistance ( perhaps burned / oxidized contacts
) .

Best of luck to you , :-)


Wyr
God bless
Re: Humidifier won't kick on [Re: jay929] #4557243
10/28/17 12:09 PM
10/28/17 12:09 PM
Joined: Jun 2003
Posts: 5,949
Illinois
SHOZ Offline
SHOZ  Offline
Joined: Jun 2003
Posts: 5,949
Illinois
If it's 5.5v with it unplugged from the solenoid the problem is the wiring or power supply.. 5.5V with it plugged in would mean the solenoid is bad.


2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual
Re: Humidifier won't kick on [Re: jay929] #4557281
10/28/17 12:50 PM
10/28/17 12:50 PM
Joined: Feb 2013
Posts: 11,081
Phoenix, AZ
Nick1994 Online content
Nick1994  Online Content
Joined: Feb 2013
Posts: 11,081
Phoenix, AZ
Sounds like the installer should be coming out and fixing it for free


2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: Humidifier won't kick on [Re: SHOZ] #4557349
10/28/17 01:50 PM
10/28/17 01:50 PM
Joined: Jan 2013
Posts: 2,068
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,068
Texas
Originally Posted By: SHOZ
If it's 5.5v with it unplugged from the solenoid the problem is the wiring or power supply.. 5.5V with it plugged in would mean the solenoid is bad.


Yep . Kind of what I was trying to say .

If the water is vert hard , like ours . The sliding part of the water valve , that is caused to move by the magnetic field of the coil , may be stuck . Might or might not be able to repair it . Perhaps soak the valve mechanism in vinegar or citric acid ?

Would still be curious as to what the amperage is .

Best of luck , :-)

Last edited by WyrTwister; 10/28/17 01:56 PM.

Wyr
God bless
Re: Humidifier won't kick on [Re: jay929] #4557611
10/28/17 06:16 PM
10/28/17 06:16 PM
Joined: Nov 2008
Posts: 126
IL.
jay929 Offline OP
jay929  Offline OP
Joined: Nov 2008
Posts: 126
IL.
The 5.5 Reading was From the wire that connects into the solenoid while the furnace was running Sorry i'm not good with electricity

Re: Humidifier won't kick on [Re: jay929] #4557628
10/28/17 06:24 PM
10/28/17 06:24 PM
Joined: Jan 2013
Posts: 2,068
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,068
Texas
If you age going to DIY , try soaking the valve in vinegar or citric acid ( not the coil or any other electrical parts ) .

If you disconnect the wires from the solenoid coil , what voltage do you get ?

Do you have HARD water ?

With the coil connected , are you able to measure the amperage ?

Best of luck , :-)


Wyr
God bless

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