mypros+
Error code reference

Amana Dryer Error Code F:71

No communication between the machine control and the console electronics.

Amana codesAmana dryer codes

No communication between the machine control and the console electronics.

First step from the service manual

Check the harness connections at the machine control and at the console electronics. Replace the machine control electronics.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for F:71.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What F:71 means on a Amana dryer

The F:71 error code on an Amana dryer indicates a complete loss of communication between the machine control board and the console electronics board. These two control assemblies work together to manage all dryer functions: the machine control handles the core operational logic and component outputs, while the console electronics manage user inputs and display feedback. When the communication link between them fails, the dryer cannot coordinate commands or status signals, and the F:71 code is triggered to alert you to the breakdown.

The most common cause of this fault is a wiring harness issue between the two boards. Loose connectors, damaged wiring, or corroded terminals can interrupt the communication signal. Heat and vibration over time can cause connectors to work loose from their seats, and this is the first place to inspect. Carefully check all harness connections at both the machine control and the console electronics, reseating any connectors that show signs of looseness or corrosion.

If the wiring harness checks out and all connections are secure, the machine control electronics board itself is the likely culprit. A failed or failing machine control board will be unable to establish or maintain communication with the console, producing a persistent F:71 fault. In this case, replacing the machine control electronics is the recommended corrective action.

Source: manufacturer service documentation.

Common causes of F:71

  1. 01

    Loose or disconnected wiring harness

    Wiring / connection

    Connectors between the machine control and console electronics can loosen over time due to heat and vibration. Inspect and firmly reseat all harness connectors at both boards to rule this out first.

  2. 02

    Corroded or damaged connector terminals

    Wiring / connection

    Moisture or heat exposure can corrode the pins inside the harness connectors, increasing resistance and breaking the communication signal. Look for discoloration, pitting, or buildup on the terminal pins.

  3. 03

    Failed machine control board

    Part replacement

    If the wiring and connectors are intact, the machine control electronics board itself may have failed and can no longer communicate with the console. Replacing the machine control board is the prescribed fix when wiring checks out.

  4. 04

    Failed console electronics board

    Part replacement

    In some cases the console electronics board rather than the machine control may be the source of the communication failure. If replacing the machine control does not resolve the fault, the console board should be evaluated.

  5. 05

    Damaged wiring harness

    Part replacement

    Physical damage such as pinched, frayed, or broken wires along the harness between the two boards can sever the communication path entirely. Visually trace the full length of the harness looking for any visible damage.

See the test procedure for each cause

Frequently asked questions about F:71

What does F:71 mean on a Amana dryer?
The F:71 code means the machine control board and the console electronics board have lost communication with each other. Without this communication link, the dryer cannot operate correctly. The fault is typically caused by a loose wiring harness connection or a failed machine control board.
Can I fix the F:71 error myself?
A homeowner comfortable with basic appliance work can check and reseat the wiring harness connections between the two control boards, which sometimes resolves the fault at no parts cost. If the problem persists after securing all connections, replacing the machine control board is the next step, and that repair is generally best handled by a technician. Always unplug the dryer before inspecting any internal wiring.
Will resetting the dryer clear the F:71 code?
Unplugging the dryer for a few minutes and restarting it may temporarily clear the code, but if the underlying cause is a faulty wiring connection or a failed control board, the F:71 fault will return. A reset alone is not a repair and should be followed by a proper diagnostic inspection.
Is it safe to use my Amana dryer when F:71 is showing?
The F:71 code typically prevents the dryer from operating normally, so running laundry cycles while this fault is active is not recommended. Attempting to force operation with a broken control communication link could cause unpredictable behavior. The dryer should be inspected and repaired before returning it to regular use.
How much does it cost to repair an F:71 error on an Amana dryer?
If only a wiring connection needs to be reseated, the repair may cost nothing beyond a service call fee, which typically ranges from $50 to $100. If the machine control board requires replacement, total repair costs including parts and labor generally range from $150 to $350 depending on your location and the technician's rates. Getting a diagnostic quote before authorizing parts replacement is a good practice.

Related Amana dryer codes

All Amana dryer codes
View all 38 Amana dryer codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass