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Error code reference

Maytag Range Error Code 9d42

Latch state unknown

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What the 9d42 error code actually means

Your Maytag range cannot tell whether the lower oven door latch is locked or unlocked, so it has disabled the self-clean cycle and the control lock feature as a safety precaution. This usually means a small switch or motor inside the latch mechanism has failed or something is physically blocking the latch from moving all the way to either position. A technician will need to inspect the latch assembly to find and fix the problem.

Diagnostic procedure

The full 9d42 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
LOCK flashes 3 times. Disables Clean and Lockout functions. Check both latch switches and latch motor for lower oven.
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Most common causes of 9d42

Ranked by how often they cause this code
  1. 1Failed latch switch
  2. 2Latch motor failure
  3. 3Physical obstruction in latch mechanism
  4. 4Damaged or disconnected wiring harness
  5. 5Control board fault

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Questions people ask about 9d42

What does 9d42 mean on a Maytag range?
Error code 9d42 means the control board for the lower oven cannot confirm whether the door latch is in the locked or unlocked position. Neither of the two latch position switches is reading closed at the same time, which puts the latch in an unknown state. In response, the range disables the self-clean and control lockout functions and flashes LOCK three times on the display.
Is it safe to keep using the range with a 9d42 error?
The rangetop burners are not affected by this fault, so basic cooking can continue. However, the self-clean cycle is disabled until the error is resolved, and if the latch position is truly unknown it is best to avoid forcing a clean cycle. Address the fault before attempting to run self-clean to prevent the oven door from being locked in an uncontrolled state.
How much does it cost to repair a 9d42 error on a Maytag range?
Repair costs depend on which component has failed. Latch switches are relatively inexpensive parts, typically in the range of 15 to 40 dollars each, while a latch motor assembly can run from 40 to 120 dollars depending on the model. Adding professional labor, total repair costs commonly fall between 100 and 300 dollars, though a control board replacement would push costs toward the higher end of that range or beyond.
Can I fix error code 9d42 myself?
A knowledgeable DIYer can inspect the lower oven latch assembly for visible obstructions, check harness connections, and test the latch switches for continuity with a multimeter. If a switch or the latch motor has failed, replacing those components requires some disassembly of the oven door latch housing. If the wiring and latch components all test correctly, a control board issue may be involved, which is a more complex repair.
Will resetting the range clear the 9d42 error code?
Disconnecting power to the range for a few minutes may temporarily clear the code, but if the underlying problem with the latch switches, motor, or wiring is not repaired the error will return. A reset does not fix a failed switch or a mechanically stuck latch, so the root cause must be diagnosed and corrected for the code to stay cleared.

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