DIY Chatroom Home Improvement Forum

DIY Chatroom Home Improvement Forum (http://www.diychatroom.com/)
-   HVAC (http://www.diychatroom.com/f17/)
-   -   Older GE furnace not firing up (http://www.diychatroom.com/f17/older-ge-furnace-not-firing-up-84685/)

jax1lightning 10-23-2010 07:23 AM

Older GE furnace not firing up
 
I have a GE furnace from 1977
Model # BLU 100C93OBO

The pilot light stays lit but the unit won't fire up.

I have jumped the red and white wires on thermostat(nothin) and replaced it.

I have replaced the Thermocouple, Gas valve and Transformer

& checked the high limit switch.

I have 120 V electricity to the unit and 24 v to the gas valve.

I have checked the fusable links all good.

No door switches or flame out switch??

Now what can I do next??

yuri 10-23-2010 08:03 AM

Check the orifices where the gas enters the burners for spiders web/egg sacks blocking them. Apparently that happens in some areas.

kenmac 10-23-2010 10:37 AM

Turn the valve from pilot position to the ON position

yuri 10-23-2010 11:24 AM

It's always the basic things that trip you up.:laughing:

yuri 10-23-2010 11:27 AM

Jax you should get that unit checked by a Pro. MOST of them the heat exchangers are cracked and can produce CO Carbon monoxide. By the time a CO detector blows you have breathed a lot of it in. They are designed/meant for catastrophic failures/blocked chimneys etc.

beenthere 10-23-2010 12:29 PM

Quote:

Originally Posted by kenmac (Post 521750)
Turn the valve from pilot position to the ON position


LOL... I hate when a new I install has the gas valve turned off, and I don't notice it.

OP. Also, are you checking the 24 volts at the gas valve by reading across it. Or by reading each terminal to ground or common?

jax1lightning 10-23-2010 06:26 PM

GE Unit
 
Thanks the Unit is cracked so I'm not wasting any more
time on it.


All times are GMT -5. The time now is 03:32 PM.


Copyright 2003-2014 Escalate Media LP. All Rights Reserved