C3
What code C3 means on a GE dishwashers, what causes it, and which part to check first.
● SEVERITY: HIGH
GE C3 means: Pump Pressure Switch Error. The documented cause is: Clogged fine filter restricting water flow to the pump (most common) · Wash pump motor failure or weak capacitor · Pressure switch failure (diaphragm wear)
What C3 means
Pump Pressure Switch Error
The display shows C3 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by easybear-appliancerepair.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Clogged fine filter restricting water flow to the pump (most common) |
| Wash pump motor failure or weak capacitor |
| Pressure switch failure (diaphragm wear) |
| Partially blocked spray arm check valves (quad-arm specific) |
| Control board not reading pressure switch signal |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. The heating element and the wash water can stay hot long after the cycle ends.
What to check, in order
From the quickest check to the one that needs a technician.
Find a specialist
TroubleAtlas Pro
TroubleAtlas Certified
What is the TroubleAtlas Score?
Beyond fault codes and specialists, we rate the reliability of appliance brands and models — a transparent score that owes nothing to the manufacturer. The reference to check before you buy or repair.
See all appliance scores →TA YouTube Channel
Frequently asked questions
What does C3 mean on a GE?
Pump Pressure Switch Error The documented cause is: Clogged fine filter restricting water flow to the pump (most common) · Wash pump motor failure or weak capacitor · Pressure switch failure (diaphragm wear) · Partially blocked spray arm check valves (quad-arm specific) · Control board not reading pressure switch signal
Can I fix C3 myself?
It depends on the part involved: Clogged fine filter restricting water flow to the pump (most common) · Wash pump motor failure or weak capacitor · Pressure switch failure (diaphragm wear) · Partially blocked spray arm check valves (quad-arm specific) · Control board not reading pressure switch signal Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does GE use other codes on this appliance?
Yes: we document 30 other codes for GE on this dishwashers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.