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HVAC and Plumbing Distributor
Kevin Thigpen

Kevin Thigpen

Technical Services Manager
North Alabama District

How to Check Fault Codes Stored in Controller

Mingledorff’s Technical Services Group would like to share these steps on how to check faults and HVAC codes to see if you have an “active” fault.

From time to time, our Technical Services Group gets calls where the Service Tech doesn’t know how to check the fault codes stored in the controller. This information is helpful with seeing how the system has been running. The following steps will help your Service Tech see the last 10 events the system has stored.

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Step 1

From the main screen push the arrow on bottom right side of screen.

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Step 2

You will see a baseball cap. Press and hold for 10 seconds (note the screen will change)

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Step 3

You are now in the installation and service screen. Press the arrow on bottom right.

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Step 4

Select the service information.

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Step 5

Select "last 10 system events".

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Step 6

This screen will have the last 10 events. If it's an active fault, the system will not run until the fault is cleared.

By following these steps, you will be able to see the fault history, when the fault occured, and how many times the system has tripped on a fault.

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Alabama Locations

Anniston (256) 241-3026 105 E D St, Anniston, AL 36201
Auburn (334) 734-8011 2295 1st Ave, Opelika, AL 36801
Birmingham (205) 250-7714 516 31st St N, Birmingham, AL 35203
Dothan (334) 836-1035 205 Wedgewood Dr, Dothan, AL 36303
Gulf Shores (251) 968-2660 820 Commerce Dr, Gulf Shores, AL 36542
Huntsville (256) 859-2691 391 Nick Fitcheard Rd NW, Huntsville, AL 35806
Loxley (251) 964-2707 30020 Co Rd 49, Loxley, AL 36551
Mobile (251) 476-2220 5522 W Commerce Blvd West, Mobile, AL 36619
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Georgia Locations

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Athens(706) 548-2563105 Whitetail Way, Bogart, GA 30622
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Columbus(706) 322-38706201 W Hamilton Park Rd, Columbus, GA 31909
Conyers(770) 918-9132335 Gees Mill Business Pkwy NE, Conyers, GA 30013
Forest Park(404) 361-24745158-C Kennedy Rd, Forest Park, GA 30297
Gainesville(770) 297-93352472 Hilton Dr, Gainesville, GA 30501
Lawrenceville(678) 442-10602111 Cedars Rd SE, Lawrenceville, GA 30043
Lithia Springs(770) 948-3451320 Thornton Rd #106, Lithia Springs, GA 30122
Macon(478) 474-85445527 Thomaston Rd, Macon, GA 31220
Marietta(770) 426-05511060 Triad Ct, Marietta, GA 30062
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South Carolina Locations

Hilton Head(843) 689-34043715, 21 Hunter Rd, Hilton Head Island, SC 29926

Florida Locations

Fort Walton Beach(850) 244-201776 Beal Pkwy SW, Fort Walton Beach, FL 32548
Panama City(850) 913-05853012 Lisenby Ave, Panama City, FL 32405
Pensacola(850) 438-10054405 N. Palafox Street, Pensacola FL 32505

Mississippi Locations

Hattiesburg(601) 579-96701851 Lincoln Rd, Hattiesburg, MS 39402
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Commercial Sales

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(800) 342-9250

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(800) 239-7419

Savannah – Southeast Hub
(800) 822-7617

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Paynewww.payne.comResidential Heating & A/C Products
Rawal Deviceswww.rawal.comContinuous Capacity Modulation and Dehumidification for DX Systems
Renew Airewww.renewaire.comFixed-Plate ERVs
Totalinewww.totaline.comCompressors, Parts, and Supplies
United CoolAirwww.unitedcoolair.comModular All-Indoor HVAC Systems
 Warren Technologywww.warrenhvac.comElectric Heaters
 Wilo Pumpswww.wilo-usa.comPump Systems for HVAC and Water Supply and Sewage