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Randall, RVIA Certification
Category: RV
Satisfied Customers: 11048
Experience:  RVDA/RVIA Master Certified Technician with many years experience.
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No power to the thermostat heater or air conditioner, : Not

Customer Question

No power to the thermostat for the heater or air conditioner,
JA: Sometimes things that you think will be really complicated end up being easy to fix with RV. The RV Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so he can help you best.
Customer: Not getting any power to thermostat. Checked fuse, it is ok. Circuit breaker in main box is ok. Is there another fuse?
JA: Are you hoping to fix this yourself?
Customer: Yes
JA: Great! What have you tried so far?
Customer: Fuse in main power center is ok. Circuit breaker is ok. Is there any other fuses?
JA: Is there anything else important you think the RV Mechanic should know about your RV?
Customer: 2016 Jayco 28 RLS Travel Trailer
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the RV Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: RV
Expert:  Randall replied 1 year ago.

What is the make and model of your A/C and thermostat?

Customer: replied 1 year ago.
Coleman mach
Expert:  Randall replied 1 year ago.

Coleman thermostat? Digital or analog?

Customer: replied 1 year ago.
Expert:  Randall replied 1 year ago.

Do you still have a display showing or is it dark?

Customer: replied 1 year ago.
Display but that is powered by battery. I am not getting any voltage on wires at thermostat.
Expert:  Randall replied 1 year ago.

Take the cover off and check the fuse. It may be blown or the main fuse may be in the load center where the fuse is bad. It might be marked furnce.

Customer: replied 1 year ago.
I found a main reset button on top of the furnace under the refrigerator inside cabinet. Reset it and everything now works.
Expert:  Randall replied 1 year ago.

Great! We would have gotten to this but you beat me to it. Good job!