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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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My son has a Trane XE80 that isn't working. He has gone

Customer Question

my son has a Trane XE80 that isn't working. He has gone through the reset process a couple of times. The flashing red light seems to be the slow constant flash. What do we do?
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: Just today
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: I think I told you everything I know. Do you have questions for me?
Submitted: 9 days ago.
Category: HVAC
Expert:  Heath.M replied 9 days ago.

Hello my name is ***** ***** will be my pleasure to assist you. It sounds like the furnace is in its normal mode with no call for heat. Possibly the thermstat. Taking the lower blower door off the furnace will give you access to the circuit board and wire connections. What i suggest is taking an unbent paper clip or piece of wire and jumping the thermostat connections in the furnace to see if the furnace will fire. You will need to locate the R terminal and the W terminal usually connected with a red wire to the R and a White wire to the W. With the terminals jumped out you will also need to hold the door switch in to get the furnace to light. You may need to use a piece of tape to hold the switch down or have someone else hold it down. If the furnace fires your problem is either the thermostat or the wires going to the thermostat.

Customer: replied 9 days ago.
Ok, give me a few minutes.
Expert:  Heath.M replied 9 days ago.

no problem

Customer: replied 9 days ago.
There's a lot of wires. Can you be more specific
Expert:  Heath.M replied 9 days ago.

Is there Red and white wires going to a terminal strip?

Expert:  Heath.M replied 9 days ago.

the should be all together smaller wires

Customer: replied 9 days ago.
The only small wires are red & yellow
Expert:  Heath.M replied 9 days ago.

what terminals are they connected to?

Customer: replied 9 days ago.
Can I call back later?
Expert:  Heath.M replied 9 days ago.

sure i will be off and on all day just reply back and i will get back to you as soon as possible.