Affected model seriesmodern dishwasher F-code service family
Quick answer
High water temperature.
Model compatibility: GE reuses codes across series and model years, so F16 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
High water temperature.
Signs
Symptoms you may notice
The cycle may end early while the unit cools.
The dishwasher may stop to protect against excessive water temperature.
Heating may be disabled after the code is detected.
The fault can appear during a heated wash or rinse stage.
Why it happens
Possible causes
A heater relay/control fault that keeps heating longer than intended.
A temperature sensor/thermistor that reports an incorrect value.
A wiring or connector fault in the temperature-sensing circuit.
Incoming water that is hotter than expected.
A control-board fault after actual temperature and sensing are verified.
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
Do not raise the household water-heater setting in response to this code.
Do not bypass the heater relay, thermostat, or temperature-sensing circuit.
Stop the cycle and let the dishwasher cool before another test.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your GE appliance?
Book a specialist visit for a clear estimate and approval before any repair.
You submit a request with your appliance model and symptom, we confirm an appointment window, and a technician performs an on-site diagnosis. You then receive a clear estimate and decide whether to proceed before any repair begins.
Yes. We provide an upfront estimate after diagnosis. No parts are ordered or installed until you approve the work, so there are no surprise charges.
Replacement parts are selected for the exact model and confirmed with you before ordering or installation.
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