Suburban PTAC dl3 - 1220 Burner not on


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Old 01-07-14, 06:26 PM
W
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Suburban PTAC dl3 - 1220 Burner not on

My PTAC unit is not blowing hot air, it's only blowing room temperature air for a little before it enter's "lockout" mode which turns it off.

I looked into the burn chamber and I don't see any flames. I wiggled the wires going to the burn chamber in case there was a loose connection and did all the reset protocols however it still won't fire. The heating unit tries to work for a bit before turning off again after blowing cold air for a minute.

Anyone know how i can get this thing to fire again without having to pay $500 for some guy to come take a look?
 
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Old 01-07-14, 09:17 PM
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Welcome to the forums.

There is a sight glass in the blower door where you can observe the two digit trouble code. This trouble code can point you in the right direction. The codes are listed on the back of the blower door or on page 37 in the following link.

Page 32 shows you how to put the unit in self test.
Heating operation shown on page 44.

The following is the manual for your unit.

Suburban Owners Manual DL3 0712 to 1622
 
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Old 01-08-14, 08:51 AM
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hi PJ thanks for the response! The manual you linked only goes to page 20 is there another link that was supposed to be in there?
 
 

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