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Change out a blizzard unit noe have a e1 code check wire all…

Change out a blizzard...

Change out a blizzard unit noe have a e1 code check wire all hook up right have 12v to thromstat check on unit have 120volts to unit and have 12v to stat has e1 code what is wrong with it

Mechanic's Assistant: Have you checked all the fuses? Do you have a wiring diagram?

All fuses are all good 12v in and 12v out to unit

Mechanic's Assistant: What is the model/year of your RV?

New unit h541816ax1co

Mechanic's Assistant: What year is your RV?

2017 openrange fithwheel

Mechanic's Assistant: Are you fixing your RV yourself? What have you tried so far?

Replace deck on roof also replace thromstat

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

12v stat with twelve going to it from deck abd have a e1 code

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Answered in 3 minutes by:
3/25/2018
Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 14,604
Experience: RVDA/RVIA Master Certified Technician with many years experience.
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Hi! My name is ***** ***** I can assist you with this. I may need some additional information from you first in order to give a complete answer.

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An E-1 error is a communication fault. It comes from a bad or dirty connection between the thermostat and the control module or board. Sometimes just unhooking it and rehooking it back up again can clear that. Is this a Single Zone or a Comfort Control II model?

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I​ am heading into my shop and will be offline for about 20 minutes..........

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Customer reply replied 4 months ago
Change out from blue to brown wire from unit to stat check board have 12v to stat at com line at board have 6.75 v on orang e wire and 12 v to stat

T​hat is correct. The voltage on the comm wire is what varies and controls which function works.

Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 14,604
Experience: RVDA/RVIA Master Certified Technician with many years experience.
Verified
Randall and 87 other RV Specialists are ready to help you
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Phone call session started

G​ive me about 20 minutes and I will give you a call........

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Tried calling you. Left a message. Let me know when it is a good time to call.

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Customer reply replied 4 months ago
randall please call me at(###) ###-####thanks

Call me back if you need more later.

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Randall
Randall
Randall, RVIA Certification
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