Author Topic: LG Dryer Error code 19:HO???  (Read 2918 times)

Offline jspillz

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LG Dryer Error code 19:HO???
« on: October 10, 2011, 08:33:26 AM »
LG gas dryer model DLG2524W, problem is burner stays on only 5-10 seconds after starting cycle, then shuts off. After reading posts and manual, I replaced the gas valve which did not solve the problem. I tested all of the thermostats/thermistor which are OK. With the diagnostic test I get 19:HO as the first code. Is that the model number? When doing the gas valve test, I get about 50 VAC at either coil when it should be 90 VAC. The first thing it says is Check thermostat, Hi limit Safety, which is OK. Is this a controller board problem like the manual suggests? I don't want to throw any more money at it without knowing for sure!
Thanks for the help.

Offline jspillz

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Re: LG Dryer Error code 19:HO???
« Reply #1 on: October 10, 2011, 09:05:39 AM »
Hey, it's me again. After reading more about the service manual typo's, I need to go back and check my voltages again on the gas valve, DC NOT AC!

Offline tgoods

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Re: LG Dryer Error code 19:HO???
« Reply #2 on: October 10, 2011, 09:53:15 AM »
Check your venting.  It may be shutting off due to overheating.

Offline jspillz

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Re: LG Dryer Error code 19:HO???
« Reply #3 on: October 10, 2011, 11:06:18 AM »
The venting is clean and clear, I usually clean it out 1-2 times a year. Thanks.

Offline wildimaginations

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Re: LG Dryer Error code 19:HO???
« Reply #4 on: October 10, 2011, 11:22:46 AM »
It sounds like you have a bad flame switch.  The switch is located on the left side of the burner chamber next to the ignitor.  When the ignitor heats up enough, the flame switch turns on the burner valve.  If it is bad, it will turn off the burner valve as if the gas didn't ignite and starts up the cycle again. 

The part number is #AP4443773

Hope this helps.
Appliance Service Technician
Authorized servicer on LG appliances.
About 45 mins east of San Francisco

Offline jspillz

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Re: LG Dryer Error code 19:HO???
« Reply #5 on: October 10, 2011, 09:24:56 PM »
Update: I checked the DC voltages on the gas valve coils, both were OK. The Cooling light is still on and the Drying light blinks when it's running. Would that still still be the flame sensor or a bad control board?
Thanks.

Offline wildimaginations

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Re: LG Dryer Error code 19:HO???
« Reply #6 on: October 10, 2011, 09:35:18 PM »
The flashing Drying light means that the dryer is in heat mode.  When the Cooling light flashes, the dryer is in cool down mode.  Those are not your problem.  I doubt the control board is the problem.  I still believe the flame sensor is your problem.
Appliance Service Technician
Authorized servicer on LG appliances.
About 45 mins east of San Francisco

Offline jspillz

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Re: LG Dryer Error code 19:HO???
« Reply #7 on: October 13, 2011, 08:28:13 AM »
Update: Resolved! I got the flame sensor yesterday and that solved the problem.
Thanks!

Offline wildimaginations

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Re: LG Dryer Error code 19:HO???
« Reply #8 on: October 13, 2011, 11:55:40 AM »
Feels good, huh?!!  Now go out and buy a lotto ticket.  And if you win big, I want half!!!
Appliance Service Technician
Authorized servicer on LG appliances.
About 45 mins east of San Francisco

 

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