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Maytag·Dishwashermedium severity
Maytag Dishwasher Error Code F3 E1
Water-temperature sensor fault
Common Causes
- 1Open or shorted thermistor in the sump
- 2Scaled optical water indicator reading falsely
- 3Harness fault to the temperature sensor
- 4Control board sensor-input failure
Step-by-Step Troubleshooting
- 1
Cut power and locate the temperature sensor and optical water indicator in the Maytag sump beneath the lower spray arm
- 2
Read the thermistor resistance at room temperature against the tech sheet, treating an open or dead-short reading as a failed sensor
- 3
Descale the sump and the optical sensor lens, since local hard-water film clouds the indicator and skews its reading
- 4
Inspect the sensor harness back to the control for a chafed or corroded connector before replacing the board
Pro Diagnostic Tip
On Maytag JetClean units the same sump module carries both the thermistor and the optical water sensor, so a mineral film that fogs the optics can post this fault without the thermistor actually failing. Clean the lens and re-test before ordering parts, and descale monthly to keep the code from returning.
You Might Also Notice
- •Water never heats through the cycle
- •The heated-dry result is cold and spotty
- •The cycle stalls in the wash phase
- •Sani-Rinse never confirms temperature
Parts, Cost & Difficulty
Repair Difficulty
Hard — Advanced Skills RequiredEstimated Repair Cost
$110–$280
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
Temperature sensor / thermistorOptical water indicator
Do You Have the Right Tools?
Bearing puller set ($120), drum spider wrench ($85), multimeter ($85), and diagnostic software. Our technician arrives with $3,000+ in professional tools — your diagnostic is free.
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Frequently Asked Questions
What does Maytag error code F3 E1 mean?
Maytag error code F3 E1 indicates: Water-temperature sensor fault. This is a medium-severity issue affecting your dishwasher.
How do I fix Maytag error code F3 E1?
Cut power and locate the temperature sensor and optical water indicator in the Maytag sump beneath the lower spray arm Then, Read the thermistor resistance at room temperature against the tech sheet, treating an open or dead-short reading as a failed sensor Then, Descale the sump and the optical sensor lens, since local hard-water film clouds the indicator and skews its reading There are 1 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
How do I know if my dishwasher has error F3 E1?
Besides the error code on the display, common signs include: Water never heats through the cycle; The heated-dry result is cold and spotty; The cycle stalls in the wash phase. If you notice any of these symptoms, check your dishwasher's display panel for error code F3 E1.
How much does it cost to fix Maytag F3 E1?
Repair costs for Maytag F3 E1 typically range from $110 to $280 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.
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