mypros+
Error code reference

Maytag Microwave Error Code F6 E6

Oven appliance manager

Maytag codesMaytag microwave codes

Oven appliance manager - lost communication.

First step from the service manual

Check voltage at P6-1 to P6-2 on GOC AM board (13.7 VDC); check cables between SMPS and GOC AM; check 120VAC at P8-1 to P7-1.

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 F6 E6.

  • 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 F6 E6 means on a Maytag microwave

The F6 E6 error code on a Maytag microwave indicates a lost communication fault within the oven appliance manager system. Specifically, the GOC AM (General Oven Controller Appliance Manager) board has lost its data link with other control components in the system. This board is responsible for coordinating operational signals between the switching mode power supply (SMPS) and the broader control architecture of the appliance. When communication is interrupted or drops below acceptable thresholds, the system logs this fault and halts normal operation to prevent unsafe conditions.

The primary diagnostic focus is on the DC voltage supply at connector P6, pins 1 and 2, on the GOC AM board. The expected reading at this point is 13.7 VDC, supplied by the SMPS. If this voltage is absent, low, or unstable, the board cannot maintain its communication functions. The cabling harness between the SMPS and the GOC AM board must also be inspected for damage, loose connections, or corrosion that could interrupt signal integrity. Additionally, the 120VAC supply should be confirmed at P8-1 to P7-1, as a loss of AC input will cascade into DC supply failures throughout the control system.

Common root causes include a failed SMPS that is not delivering the required 13.7 VDC output, damaged or improperly seated wiring harnesses between the power supply and the GOC AM board, or a faulty GOC AM board itself that cannot process incoming communication signals. In some cases, the 120VAC input to the system may be interrupted by a tripped breaker or wiring fault upstream of the unit, making the power verification step a critical early check before replacing any components.

Source: manufacturer service documentation.

Common causes of F6 E6

  1. 01

    SMPS not supplying 13.7 VDC

    Part replacement

    The switching mode power supply may have failed and is not delivering the required 13.7 VDC to the GOC AM board at connector P6-1 to P6-2. Measure voltage at this connector with a multimeter to confirm output.

  2. 02

    Damaged or loose wiring harness between SMPS and GOC AM board

    Wiring / connection

    The communication cables connecting the SMPS to the GOC AM board may be loose, pinched, corroded, or broken. Visually inspect the harness and reseat all connectors at both ends.

  3. 03

    Loss of 120VAC input to the system

    Wiring / connection

    If the 120VAC supply at P8-1 to P7-1 is absent, the SMPS cannot generate DC output, which causes the communication fault. Check the circuit breaker and verify AC voltage at the specified test points.

  4. 04

    Failed GOC AM board

    Part replacement

    If voltage and wiring checks pass but the fault persists, the GOC AM board itself may be defective and unable to process communication signals. Board replacement is required in this scenario.

  5. 05

    Corroded or damaged connector pins at P6 or P8

    Wiring / connection

    Oxidation or physical damage at the connector pins on the GOC AM board can cause intermittent or total communication loss even when cables appear intact. Inspect the pin contacts directly for corrosion or bent terminals.

See the test procedure for each cause

Frequently asked questions about F6 E6

What does F6 E6 mean on a Maytag microwave?
F6 E6 indicates that the oven appliance manager, controlled by the GOC AM board, has lost communication with the rest of the control system. This is typically related to a failure in the 13.7 VDC supply from the SMPS, a wiring fault between the power supply and the GOC AM board, or a loss of 120VAC input to the appliance. The microwave will not operate normally until the communication link is restored.
Can I fix F6 E6 on my Maytag microwave myself?
Some causes of F6 E6, such as a tripped circuit breaker or a loose wiring harness connector, can be addressed without replacing parts. However, diagnosing this fault properly requires a multimeter to check DC and AC voltages at specific test points on the GOC AM board. Work involving internal microwave components carries serious electrical hazards, including high-voltage capacitors that retain charge even when unplugged, so this repair is best handled by a qualified technician.
Is it safe to use my Maytag microwave when F6 E6 is displayed?
No, you should not attempt to use the microwave while this error is active. The F6 E6 fault indicates a communication failure within the control system, and the appliance has shut down as a safety measure. Attempting to bypass or ignore this fault could lead to unpredictable operation or additional component damage.
Will resetting my Maytag microwave clear the F6 E6 error?
A reset by unplugging the unit for a few minutes may temporarily clear the error, but it will return if the underlying cause is not corrected. If the SMPS is not delivering proper voltage, the wiring harness is damaged, or the GOC AM board is faulty, the fault will reappear once the microwave restarts. A reset is only useful as a first step to confirm whether the issue is intermittent.
How much does it cost to repair a Maytag microwave with an F6 E6 error?
Repair costs depend on which component has failed. If only a wiring harness needs reseating, the cost may be limited to a service call fee, typically in the range of $75 to $150. Replacing the SMPS or GOC AM board will add parts costs that can range from $100 to $300 or more depending on the specific model, plus labor. In some cases, the total repair cost may approach or exceed the cost of a replacement unit.

Related Maytag microwave codes

All Maytag microwave codes
View all 62 Maytag microwave codes

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

Get Started

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