GE Dishwasher Error Code E3: Meaning and Fix

Reading the dishwasher display
A dishwasher reports its fault in the display window, or by blinking a cycle light a set number of times with a pause between groups. Count the blinks and pauses before opening the door. GE writes letters and numbers together with no space, so E22 is one code, not E2 and 2.
GE Appliances, now owned by Haier, mixes legacy GE boards with newer connected platforms. Washers and dryers tend to use E or D codes, ranges and microwaves use F codes, and refrigerators show Er codes. The codes apply to model numbers such as GDF630PSMSS, GDT665SSNSS and GTD65EBSJ0WS; check the label on your unit to confirm yours.
What causes E3
- Open heater
- Board fault
- Failed thermistor
How to fix it
- Check the tub for heat.
- Test heater and thermistor.
- Replace the failed part.
- Run a short test cycle to confirm the code does not come back.
Parts you may need
| Part | Part no. | Buy |
|---|---|---|
| Main control board | WR55X10560 | Find part |
Part numbers are OEM references; confirm fit by your model number before ordering. Some links are affiliate links; we may earn a commission at no extra cost to you.
Questions
What does the E3 code mean on a GE dishwasher?
The water did not reach temperature.
Can I fix the E3 code myself?
Start with the free checks (power reset, connectors, obvious blockages). The likely repair involves the main control board and live-circuit testing, so if the code returns, a qualified technician is the safer call.
How do I clear the E3 code?
Switch off the dishwasher breaker or hold Cancel/Drain, wait a few minutes and run a short rinse. If E3 comes back, the underlying fault is still there; start with this: open heater.
Other GE dishwasher codes
Sources
Part numbers are OEM references; confirm fit by your model number before ordering. Meanings compiled from manufacturer and parts-retailer documentation; see sources below. Unplug the appliance before opening it.
Applies to models including GDF630PSMSS, GDT665SSNSS, PDT715SYNFS.


