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Maytag · Refrigerator

Maytag Refrigerator Error Code 33

Water filter status or flow fault

What this error means

Code 33 relates to the water filter circuit—either excessive restriction, missing filter, or RFID mismatch on models with filter sensing.

How 33 is detected

Maytag refrigerator models lock the door or lid before energizing fill, heat, or high-speed spin. 33 means the latch switch never sent a "locked" signal to the main control, or the lock motor did not complete its travel. On Maytag MSS25C4MGW, Maytag MFI2570FEZ, and similar variants, clothing caught in the gasket, a misaligned strike, or a failed latch assembly are the most common mechanical causes—not the board itself.

Inspect the door gasket perimeter and strike alignment before replacing the latch. Overdue filter loaded with sediment is reported frequently on this code. After correcting mechanical issues, install maytag everydrop edr1rxd1 or model-listed filter. If the latch clicks but 33 persists, the door lock switch or wiring harness to the control board likely needs testing with a multimeter.

Do not force the door open during an active cycle; wait for the lock to release when the board de-energizes the lock motor—usually two to three minutes after canceling power on most Maytag units.

Common causes

  • Overdue filter loaded with sediment
  • Non-OEM filter not seating the RFID chip
  • Air lock after filter change
  • Filter head O-rings twisted during install

Step-by-step fixes

  1. 1Install Maytag EveryDrop EDR1RXD1 or model-listed filter
  2. 2Run five gallons through the dispenser to clear air
  3. 3Press and hold the filter reset button per your owner's guide
  4. 4Inspect for leaks at the filter housing after install

When to call a technician

Slow flow with a new OEM filter may indicate a clogged valve or need for housing service.

Affected models

  • Maytag MSS25C4MGW
  • Maytag MFI2570FEZ
  • Maytag MFF2055FRZ

Prevention & maintenance

  • Wipe the door gasket weekly and avoid overloading items against the seal—33 often starts as a slow leak or latch misalignment.
  • Record when 33 appears in the cycle and whether it clears after a 60-second power reset on your Maytag refrigerator—that detail speeds diagnosis if you call service.
  • Keep the model and serial number from the rating plate when ordering parts for 33; Maytag uses multiple revisions with different harness lengths and board firmware.
  • Photograph wiring connector orientation before disconnecting any component while troubleshooting 33; reversed plugs on pumps and valves cause immediate repeat faults.
Easy10 min

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